Updated on 23/10/2026 Lookup tool

Calendar of tax obligations in Brazil

Federal, state, municipal and tax reform deadlines, each with the rule, the official link and the date DFSpro read the source. Where the official rule does not set the date, the page shows the rule and the official act to check.

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The direct answer

What this page gives you and how to use it

For each tax obligation in Brazil, this page shows when it is due, why (rule and article) and where it came from (official link and the date DFSpro read it). Where the official rule does not set the date, the page shows the rule and points to the official act to check, and no date is estimated. The tax decision is your company's.

252

rows in the calendar

obligations, milestones and technical notes

212

with an official excerpt

101 with complete information and 111 with partial information

with the official act to check

the page shows the rule and the reason

states with information available

18 with complete information (17 with all 6 obligations backed by an official rule that was read; in the others, one is marked as not applicable) and 9 with partial information, out of 27

municipalities with data read

of 5,571 in IBGE; the rest by search

Calendar

Filter, view the month or the list and take it to your own calendar

Updated on 23/10/2026Date window: October 2026 to December 2027Source: each row has its own

This is a lookup of deadline and source. A date calculated by rule is marked as such. The tax decision is your company's.

How to read the badges and the countdown

Set by act: a published rule sets the date or the day. By business-day rule: the rule sets the method and the date comes from the calculation, already handling non-business days. Varies by state or municipality: the deadline belongs to the state or city, and the page shows the rule that was read. Rule under review: official sources conflict. No act yet: the date depends on an act that has not been issued. Not checked: an official source could not be read, and the reason appears in the row.

The countdown uses Brasília time and always includes text: more than 15 days with no highlight, up to 15 days with a blue border, up to 7 days with an orange background, up to 3 days with a blue background and orange border, and "due today" on the last day. A past deadline shows in gray as overdue. No status depends on color alone.

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Without it, this page shows the current and next month below, and the full list is in the Sources section.

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DFSpro tax calendar, updated on 23/10/2026. A deadline calculated by rule is not an official date. The tax decision is the client's. dfspro.com.br/calendario-fiscal

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October 2026: 26 deadlines with a date from 23/10/2026

Date	Obligation	Status	Rule and article	Source and check
23/10/2026 Friday	DARF IPI Federal, Brazil, period 09/2026	By business-day rule	Law 8.383/1991 art. 52, art. 52, I, c	Source and checkread on 16/10/2026 DFSpro page
23/10/2026 Friday	DARF PIS/Pasep and Cofins (revenue, non-cumulative and cumulative) Federal, Brazil, period 09/2026	By business-day rule	Law 11.933/2009 arts. 1 to 3, art. 3	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, AC, period 09/2026	Set by act	RICMS/AC, Decree 008/1998, art. 363-K	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, AM, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, AP, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, ES, period 09/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, MA, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, MG, period 09/2026	Set by act	SINIEF Adjustment 15/2016, article not checked	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, MS, period 09/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, MT, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, PB, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, PI, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, PR, period 09/2026	Set by act	RICMS/PR, Decree 7.871/2017, Annex XI, Annex XI, art. 21	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, RJ, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, RN, period 09/2026	Set by act	RICMS/RN, Decree 31.825/2022, art. 569	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, RO, period 09/2026	Set by act	SINIEF Adjustment 15/2016, article not checked	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, RR, period 09/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, RS, period 09/2026	Set by act	DeSTDA Manual of the RS State Revenue Service, article not checked	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, SC, period 09/2026	Set by act	RICMS/SC-01, Annex 4, par. 8, II, RICMS/SC-01, Annex 4, § 8, II	Source and checkread on 16/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, SE, period 09/2026	Set by act	Ordinance SEFAZ 298/2016, art. 11	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, SP, period 09/2026	Set by act	Ordinance CAT 23/2016, art. 1, § 2, as worded by Ordinance CAT 107/2016, art. 1, caput and § 2	Source and checkread on 19/10/2026 DFSpro page
28/10/2026 Wednesday	DeSTDA (SINIEF Adjustment 12/2015) State, TO, period 09/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/10/2026 Friday	DARF IRPJ and CSLL by monthly estimate (annual actual profit) Federal, Brazil, period 09/2026	By business-day rule	Law 9.430/1996, art. 6, caput	Source and checkread on 16/10/2026 DFSpro page
30/10/2026 Friday	DARF IRPJ and CSLL, quarterly calculation (quarterly actual profit, presumed and arbitrated) Federal, Brazil, period 09/2026	By business-day rule	Law 9.430/1996, art. 5, caput	Source and checkread on 16/10/2026 DFSpro page
30/10/2026 Friday	Monthly DCTFWeb (with MIT) Federal, Brazil, period 09/2026	By business-day rule	Normative Instruction RFB 2.237/2024, art. 6, caput	Source and checkread on 16/10/2026 DFSpro page
30/10/2026 Friday	EFD ICMS/IPI (filing) State, MA, period 09/2026	Set by act	RICMS/MA, art. 321-M	Source and checkread on 19/10/2026 DFSpro page

November 2026: 74 deadlines with a date from 01/11/2026

Date	Obligation	Status	Rule and article	Source and check
05/11/2026 Thursday	ICMS-ST (payment) State, AM, period 10/2026	Set by act	RICMS/AM, Decree 20.686/1999, art. 107, II, a, e, f, g, art. 107, II, a, e, f, g	Source and checkread on 19/10/2026 DFSpro page
09/11/2026 Monday	GIA / GIA-ST / DAPI / DIME or state equivalent State, TO, period 10/2026	Set by act	Official GIAM page of SEFAZ/TO, article not checked	Source and checkread on 16/10/2026 DFSpro page
09/11/2026 Monday	ICMS normal regime (payment) State, AL, period 10/2026	Set by act	RICMS/AL, Decree 35.245/1991, art. 101, I to III and art. 103, sole paragraph, art. 101, I, II, III	Source and checkread on 19/10/2026 DFSpro page
09/11/2026 Monday	ICMS normal regime (payment) State, BA, period 10/2026	Set by act	RICMS/BA, Decree 13.780/2012, art. 332, I, a, II and art. 491, § 2, art. 332, I, a	Source and checkread on 19/10/2026 DFSpro page
09/11/2026 Monday	ICMS-ST (payment) State, AP, period 10/2026	Set by act	Decree 2.269/1998, Annex III, art. 17, I to III	Source and checkread on 19/10/2026 DFSpro page
09/11/2026 Monday	ICMS-ST (payment) State, PE, period 10/2026	Set by act	Decree PE 44.650/2017, Annex 37, Annex 37, art. 12, item II, sub-item a	Source and checkread on 16/10/2026 DFSpro page
09/11/2026 Monday	ICMS-ST (payment) State, RO, period 10/2026	Set by act	RICMS/RO, Decree 22.721/2018, art. 57, item XII	Source and checkread on 16/10/2026 DFSpro page
09/11/2026 Monday	Interstate ICMS-ST (base rule) State, Brazil, period 10/2026	Set by act	ICMS Agreement 142/2018, Clause fourteen, I	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	DIFAL and GNRE (payment) State, PA, period 10/2026	Set by act	RICMS/PA, Decree 4.676/2001, art. 108, II	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, DF, period 10/2026	Set by act	Decree 18.955/1997, art. 207, § 3	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, MG, period 10/2026	Set by act	RICMS/MG 2023, Annex V, Part 1, art. 143, caput and §§ 1 and 2, art. 143	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, PA, period 10/2026	Set by act	RICMS/PA, art. 513, § 4	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, PE, period 10/2026	Set by act	Decree 44.650/2017, Annex 37, art. 34, I, a, article not checked	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, PR, period 10/2026	Set by act	RICMS/PR, Decree 7.871/2017, art. 228, caput, §§ 1 and 2, and art. 73, § 3	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, RN, period 10/2026	Set by act	RICMS/RN, Decree 31.825/2022, art. 646, § 4	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, SC, period 10/2026	Set by act	RICMS/SC-01 Annex 5, art. 168, § 1	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS normal regime (payment) State, AC, period 10/2026	Set by act	RICMS/AC, Decree 008/1998, art. 93, II, 'b'	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS normal regime (payment) State, AP, period 10/2026	Set by act	Decree 2.269/1998, art. 64, VI, a and b	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS normal regime (payment) State, PA, period 10/2026	Set by act	RICMS/PA, Decree 4.676/2001, art. 108, V, 'a'	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS normal regime (payment) State, SC, period 10/2026	Set by act	RICMS/SC-01, art. 53, caput	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS-ST (payment) State, AC, period 10/2026	Set by act	RICMS/AC, Decree 008/1998, art. 93, II, g	Source and checkread on 19/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS-ST (payment) State, PA, period 10/2026	Set by act	RICMS/PA, Decree 4.676/2001, art. 108, III	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	ICMS-ST (payment) State, SC, period 10/2026	Set by act	RICMS/SC-01 Annex 3, art. 21, item I	Source and checkread on 16/10/2026 DFSpro page
10/11/2026 Tuesday	ISS: due date of the own tax (Porto Alegre/RS) Municipal, Municipalities, period 10/2026	Varies by municipality	Porto Alegre ISS Regulation, Decree 15.416/2006, art. 107, I	Source and checkread on 16/10/2026 DFSpro page
12/11/2026 Thursday	EFD ICMS/IPI (filing) State, AM, period 10/2026	Set by act	Decree 28.841/2009, art. 19, I and II, as worded by Decree 40.106/2018, art. 19, I and II	Source and checkread on 19/10/2026 DFSpro page
12/11/2026 Thursday	GIA / GIA-ST / DAPI / DIME or state equivalent State, PB, period 10/2026	Set by act	RICMS/PB, Decree 18.930/1998, art. 263, caput and § 3, I and II	Source and checkread on 19/10/2026 DFSpro page
12/11/2026 Thursday	ICMS normal regime (payment) State, PR, period 10/2026	Set by act	RICMS/PR, Decree 7.871/2017, art. 74, XIX	Source and checkread on 19/10/2026 DFSpro page
13/11/2026 Friday	EFD ICMS/IPI (filing) State, TO, period 10/2026	By business-day rule	Ordinance SEFAZ/TO no. 1.415/2009, art. 2	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	DIFAL and GNRE (payment) State, GO, period 10/2026	Set by act	Calendar 2026 GO, RCTE, Annex XV, art. 5, §§ 2 and 5	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	EFD ICMS/IPI (filing) State, RN, period 10/2026	Set by act	RICMS/RN, Decree 31.825/2022, art. 154, I and II and sole paragraph	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	EFD ICMS/IPI (filing) State, RS, period 10/2026	Set by act	IN DRP 45/1998, Title I, Chapter LI, Section 3.0, item 3.4 and sub-item 3.4.1, item 3.4 and sub-item 3.4.1	Source and checkread on 19/10/2026 DFSpro page
16/11/2026 Monday	GIA / GIA-ST / DAPI / DIME or state equivalent State, RS, period 10/2026	Set by act	GIA Manual version 9, item 1.5, item 1.5 of the GIA Manual	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	ICMS normal regime (payment) State, PI, period 10/2026	Set by act	Decree 21.866/2023, art. 83, I, a, b and c, §§ 3 and 4	Source and checkread on 19/10/2026 DFSpro page
16/11/2026 Monday	ICMS normal regime (payment) State, RN, period 10/2026	Set by act	RICMS/RN, Decree 31.825/2022, art. 58, V, a, and §§ 6 and 7	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	NT 2025.002-RTC v1.52 (NF-e and NFC-e, Consumption Tax Reform) National and mixed, Brazil	Set by act	Technical Note 2025.002-RTC v1.52, Notice of 05/10/2026	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	NT 2026.007 v1.10 (IBS/CBS-only taxpayer) and NT 2026.008 v1.00 (net value of the product) National and mixed, Brazil	Set by act	NF-e Portal notice of 05/10/2026, Notice of 05/10/2026	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	NT CT-e 2026.004 v1.00 (CT-e, CT-e OS and GTV-e, Tax Reform) National and mixed, Brazil	Set by act	Technical Note CT-e 2026.004 v1.00, NT schedule	Source and checkread on 16/10/2026 DFSpro page
16/11/2026 Monday	eSocial, payroll and periodic events (S-1200, S-1210, S-1299) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	eSocial Guidance Manual, MOS S-1.3, payroll chapter	Source and checkread on 16/10/2026 DFSpro page
19/11/2026 Thursday	Social security contribution (employer and withheld from insured workers) by DARF from DCTFWeb Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 8.212/1991 art. 30, I, b and par. 2, art. 30, I, b	Source and checkread on 16/10/2026 DFSpro page
19/11/2026 Thursday	eSocial DAE (MEI with an employee) and Simples Doméstico Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Resolution CGSN 140/2018, art. 105-A, art. 105-A, § 1	Source and checkread on 16/10/2026 DFSpro page
19/11/2026 Thursday	Monthly FGTS (FGTS Digital slip) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 8.036/1990 art. 15, article not checked	Source and checkread on 16/10/2026 DFSpro page
23/11/2026 Monday	DES: Belo Horizonte Electronic Services Declaration Municipal, Municipalities, period 10/2026	Varies by municipality	RISSQN, Decree 17.174/2019, art. 83 of Decree 17.174/2019	Source and checkread on 16/10/2026 DFSpro page
23/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, AL, period 10/2026	Set by act	SINIEF Adjustment 12/2015, article not checked	Source and checkread on 16/10/2026 DFSpro page
23/11/2026 Monday	EFD ICMS/IPI (filing) State, CE, period 10/2026	Set by act	IN SEFAZ-CE 102/2023, art. 2, I, of IN 45/2009	Source and checkread on 19/10/2026 DFSpro page
23/11/2026 Monday	ICMS normal regime (payment) State, MA, period 10/2026	Set by act	Decree 19.714/2003, art. 69, caput	Source and checkread on 19/10/2026 DFSpro page
25/11/2026 Wednesday	DARF IPI Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 8.383/1991 art. 52, art. 52, I, c	Source and checkread on 16/10/2026 DFSpro page
25/11/2026 Wednesday	DARF PIS/Pasep and Cofins (revenue, non-cumulative and cumulative) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 11.933/2009 arts. 1 to 3, art. 3	Source and checkread on 16/10/2026 DFSpro page
25/11/2026 Wednesday	EFD ICMS/IPI (filing) State, AL, period 10/2026	Set by act	Normative Instruction SEF 19/2009, art. 12, caput	Source and checkread on 19/10/2026 DFSpro page
25/11/2026 Wednesday	EFD ICMS/IPI (filing) State, BA, period 10/2026	Set by act	RICMS/BA, Decree 13.780/2012, art. 250, § 2	Source and checkread on 16/10/2026 DFSpro page
25/11/2026 Wednesday	GIA / GIA-ST / DAPI / DIME or state equivalent State, ES, period 10/2026	Set by act	RICMS/ES, article not checked	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DARF IRPJ and CSLL by monthly estimate (annual actual profit) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 9.430/1996, art. 6, caput	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DARF IRPJ and CSLL, quarterly calculation (quarterly actual profit, presumed and arbitrated) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Law 9.430/1996, art. 5, caput	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	Monthly DCTFWeb (with MIT) Federal, Brazil, period 10/2026	By rule; the official schedule for the month is not yet published	Normative Instruction RFB 2.237/2024, art. 6, caput	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, AC, period 10/2026	Set by act	RICMS/AC, Decree 008/1998, art. 363-K	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, AM, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, AP, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, ES, period 10/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, MA, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, MG, period 10/2026	Set by act	SINIEF Adjustment 15/2016, article not checked	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, MS, period 10/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, MT, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, PB, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, PI, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, PR, period 10/2026	Set by act	RICMS/PR, Decree 7.871/2017, Annex XI, Annex XI, art. 21	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, RJ, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, RN, period 10/2026	Set by act	RICMS/RN, Decree 31.825/2022, art. 569	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, RO, period 10/2026	Set by act	SINIEF Adjustment 15/2016, article not checked	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, RR, period 10/2026	By business-day rule	SINIEF Adjustment 12/2015, clause eleven, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, RS, period 10/2026	Set by act	DeSTDA Manual of the RS State Revenue Service, article not checked	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, SC, period 10/2026	Set by act	RICMS/SC-01, Annex 4, par. 8, II, RICMS/SC-01, Annex 4, § 8, II	Source and checkread on 16/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, SE, period 10/2026	Set by act	Ordinance SEFAZ 298/2016, art. 11	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, SP, period 10/2026	Set by act	Ordinance CAT 23/2016, art. 1, § 2, as worded by Ordinance CAT 107/2016, art. 1, caput and § 2	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	DeSTDA (SINIEF Adjustment 12/2015) State, TO, period 10/2026	Set by act	SINIEF Adjustment 12/2015, clause eleven	Source and checkread on 19/10/2026 DFSpro page
30/11/2026 Monday	EFD ICMS/IPI (filing) State, MA, period 10/2026	Set by act	RICMS/MA, art. 321-M	Source and checkread on 19/10/2026 DFSpro page

States

States with information available

Click a state to filter the calendar. The color shows how much we already have for each state, and the table just below gives the same information in text.

Complete information: all 6 state obligations with an official rule that was read, or shown not to apply. 18 states. This number includes the states where one obligation is marked as not applicable; counting only the states with all 6 obligations backed by an official rule that was read, there are 17.
Partial information: at least one of the 6 obligations backed by an official rule that was read. 9 states.
No information yet: no obligation of the state backed by an official rule that was read so far. 0 states.

Click a state to filter the calendar and see the municipalities with data read. Use the table just below if you prefer.

See the 27 states in a table

State	Status	Obligations with information	Check
AC Acre	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
AL Alagoas	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
AM Amazonas	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
AP Amapá	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
BA Bahia	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
CE Ceará	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
DF Distrito Federal	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
ES Espírito Santo	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
GO Goiás	partial information (at least one item with an official rule that was read)	3 of 6	Check with the official body
MA Maranhão	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
MG Minas Gerais	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
MS Mato Grosso do Sul	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
MT Mato Grosso	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
PA Pará	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
PB Paraíba	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
PE Pernambuco	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
PI Piauí	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
PR Paraná	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
RJ Rio de Janeiro	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
RN Rio Grande do Norte	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
RO Rondônia	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
RR Roraima	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
RS Rio Grande do Sul	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
SC Santa Catarina	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
SE Sergipe	complete information (all 6 obligations with an official rule that was read, or shown not to apply)	6 of 6	Check with the official body
SP São Paulo	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body
TO Tocantins	partial information (at least one item with an official rule that was read)	5 of 6	Check with the official body

Conflicts between official sources

When two official sources say different things

Each conflict shows the two sources with the excerpt and the link, which side the calendar adopts (our judgment) and what you should check.

EFD-Reinf: deadline when the 15th is not a business day

See the two sources, the excerpt and the links

Source A: Receita Federal

IN RFB 2.043/2021, art. 6, § 2 (as worded by IN 2.163/2023)

“será postergado para o primeiro dia útil subsequente ao dia 15 (quinze), quando este cair em dia não útil para fins fiscais”

Open the source (read on 16/10/2026)

Source B: Receita Federal

EFD-Reinf FAQ item 1.12 (updated on 13/04/2026)

“antecipando-se o vencimento para o dia útil imediatamente anterior, em caso de não haver expediente bancário”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): source A. The normative act prevails over the FAQ, and the official 2026 schedule follows the act (Reinf of 15/02 moved to 18/02 and of 15/03 to 16/03).

What to check: Whether Receita published a note or a correction to FAQ 1.12. Which rule the client uses in SAP is the client's decision. Check on the official site

Suspension of 3/8/2026 in electronic tax documents (IBS and CBS)

See the two sources, the excerpt and the links

Source A: Receita Federal

News item of 01/08/2026

“a suspensão da obrigatoriedade do preenchimento de informações relativas a CBS e IBS em documentos fiscais eletrônicos”

Open the source (read on 16/10/2026)

Source B: CGIBS (with Receita Federal)

Note of 06/08/2026

“não houve suspensão da obrigatoriedade de destaque e prestação das informações relativas à CBS e ao IBS nos documentos fiscais eletrônicos”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): source B. It is the later, joint note, which corrects the first: what was postponed was the automatic rejection, not the obligation.

What to check: New start date for the validations (not published in the texts read). Check on the official site

NT NF-e 2025.002 v1.52, 2026.007 and 2026.008: test and production dates

See the two sources, the excerpt and the links

Source A: Receita Federal / NF-e Portal

PDF of NT 2025.002 v1.52

“Alteração da data de implantação da VC02-14 em Produção, mudou de 05/10/2026 para 03/11/2026”

Open the source (read on 16/10/2026)

Source B: Receita Federal / NF-e Portal

Notice of 05/10/2026

“ficam postergadas para: 26/outubro em homologação e 16/novembro em produção”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): source B. The notice is later than the PDF (published on 01/10/2026) and expressly changes the dates.

What to check: Whether each internal rule of NT 2025.002 (UB12-10, VC02-14, VC02-50) followed the notice, and whether there is a new version of the NT. Check on the official site

Goiás ICMS: payment deadline under the periodic regime

See the two sources, the excerpt and the links

Source A: SEFAZ-GO

RCTE, art. 75, caput (consolidated text)

“deve ser pago até o 5º (quinto) dia útil subseqüente ao do encerramento do período de apuração”

Open the source (read on 16/10/2026)

Source B: SEFAZ-GO

ICMS Payment Calendar (PDF)

“Até o 20º (vigésimo) dia após o encerramento do período de apuração.”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): neither side, the page shows both. The two texts apply to different groups: the 20th day in the calendar applies only to the categories of IN 155/94-GSF (items 1.1 to 1.6), and the 5th business day in art. 75 of the RCTE is the general rule. The page shows both and does not pick one.

What to check: Current text of art. 75 of the RCTE and of IN 155/94-GSF, art. 2, and whether the consolidated RCTE is out of date. Check on the official site

São Paulo ICMS: GIA filing under the periodic calculation regime

See the two sources, the excerpt and the links

Source A: SEFAZ-SP

Page on exemptions from the GIA (Ordinance SRE 2/2025)

“ficam dispensados de apresentar a GIA referente às operações ou às prestações realizadas a partir de 1º de janeiro de 2026”

Open the source (read on 16/10/2026)

Source B: SEFAZ-SP

Page on the GIA Elimination Project

“Durante toda a Fase de Transição, as entregas da GIA e da EFD continuarão obrigatórias para todos os contribuintes.”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): source A. The exemption page cites a 2025 ordinance and facts from 2026. The project page describes the transition that began in 2018 and seems out of date, but that is our inference. Caveat: the elimination project page may reflect an earlier phase of the transition, and this was not confirmed with SEFAZ-SP.

What to check: Ordinance SRE 2/2025 and whether any taxpayer stays in the transition phase by notice in the DEC. Check on the official site

NFS-e: version of Annex VII (operation indicators) of NT 009 v1.01

See the two sources, the excerpt and the links

Source A: RFB and CGIBS

Joint Technical Act 7/2026, art. 1

“Anexo VII - Tabela de Indicadores da Operação (cIndOp) - versão 1.02”

Open the source (read on 16/10/2026)

Source B: NFS-e Portal (gov.br)

News item on ATC 7/2026

“a versão 1.03.00 da tabela de Indicadores de Operação”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): source A. The act is the source that approves the documentation. The news item may reflect a later version of the file, which is not proven.

What to check: Version of Annex VII published on the portal and whether a new act approves it (Annex VI also differs: 1.04 in the act, 1.04.01 in the news item). Check on the official site

EFD-Contribuições of August/2026 (period June): day of the deadline

See the two sources, the excerpt and the links

Source A: Receita Federal

Tax schedule for August/2026, xlsx annex of ADE Corat 47/2026 (28/07/2026), Declarations tab

“15 PJ EFD-Contribuições”

Open the source (read on 16/10/2026)

Source B: Receita Federal

Tax schedule for August/2026, page for day 14 (updated on 24/08/2026)

“14 PJ EFD-Contribuições”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): neither side, the page shows both. The cause of the difference was not checked. The page shows both dates, 15/08 (annex) and 14/08 (day page), with both links, and does not pick one.

What to check: A corrective act to ADE Corat 47/2026 or a correction of the annex (not found). Check on the official site

PGDAS-D of August/2026 (period July): day of the deadline

See the two sources, the excerpt and the links

Source A: Receita Federal

Tax schedule for August/2026, xlsx annex of ADE Corat 47/2026, Declarations tab

“21 PJ PGDAS-D”

Open the source (read on 16/10/2026)

Source B: Receita Federal

Tax schedule for August/2026, page for day 20

“20 PJ PGDAS-D”

Open the source (read on 16/10/2026)

Side the calendar adopts (DFSpro's judgment): neither side, the page shows both. The cause of the difference was not checked. The page shows both dates, 21/08 (annex) and 20/08 (day page), with both links, and does not pick one.

What to check: A corrective act to ADE Corat 47/2026 or a correction of the annex (not found). Check on the official site

Procedure note: procedure for the 2027 CBS reference rate: steps, not a conflict

Under art. 349 of LC 214/2025 (Planalto compiled text, read on 16/10/2026), the TCU sends the calculations to the Senate by 15/09: “enviará ao Senado Federal os cálculos a que se refere este parágrafo até o dia 15 de setembro do ano anterior”. The news item talks about another step of the procedure, the proposal from Receita to the TCU, with a date up to 14/09. These are different steps, not two dates for the same step; so this is not a conflict between official sources. Other dates quoted in news items were not proven in the law that was read.

Unofficial source, not valid as proof: News item of August/2026 on the CBS in 2027, open the news item. Agência Brasil is not the body that owns the obligation.

What to check: TCU Resolution 388/2026 and any Senate resolution of 2027 (not found). Check on the official site Text of the law on Planalto

Schedules not yet published

What the body has not yet published, and how to check

When the official schedule for a month does not exist, the deadline appears only by rule and marked as such. Each row shows the date we checked and the exact link to the schedule at the body.

See the schedules and how to check each one

Body	Period	Status	Checked on	How to check
Receita Federal (tax schedule)	October 2026	Published	16/10/2026	Check with the official body There is an annex with the dates.
Receita Federal (tax schedule)	November 2026	Schedule not yet published by the body	16/10/2026	Check with the official body Deadlines for this month appear in the calendar by rule, marked as such. Never as an official schedule.
Receita Federal (tax schedule)	December 2026	Schedule not yet published by the body	16/10/2026	Check with the official body Deadlines for this month appear in the calendar by rule, marked as such. Never as an official schedule.
Receita Federal (tax schedule)	January 2027	Schedule not yet published by the body	16/10/2026	Check with the official body Deadlines for this month appear in the calendar by rule, marked as such. Never as an official schedule.
Receita Federal (tax schedule)	February 2027	Schedule not yet published by the body	16/10/2026	Check with the official body Deadlines for this month appear in the calendar by rule, marked as such. Never as an official schedule.
SEFAZ CE	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body The 2026 Tax Schedule of SEFAZ-CE covers January to March 2026 (quarterly schedule, image). Nov/2026 to Jan/2027 not found. Pattern of the quarter: EFD day 20, ICMS trade/transport day 20, DIFAL day 15, GIA-ST day 10.
SEFAZ GO	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body The 2026 ICMS Payment Calendar (6 pages) works by rule: day 20 after the end of the period, the next business day if day 20 is not a business day. It does not list dates month by month.
SEFAZ PE	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body The ICMS Tax Schedule of SEFAZ-PE works by rule (day 15, 20 and so on), header 'updated on 29/04/2024'. Detail page: Check with the official body (not read).
SEFAZ ES	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body The SEFAZ-ES Tax Schedule exists but the connection was refused on 16/10/2026.
SEFAZ RS	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body The State Revenue Service publishes monthly notices adjusting GIA/EFD deadlines for holidays (e.g., February/2026 day 18). Notice for Nov/2026 to Jan/2027 not found.
SEFAZ SP	November/2026 to January/2027	Schedule not yet published or not found	16/10/2026	Check with the official body Deadlines by CPR/CNAE in Annex IV of the RICMS; the monthly SEFAZ-SP schedule was not read.

Other states: to be checked at the official source (no official schedule for Nov/2026 to Jan/2027 was found for the other states).

Municipalities

Search for your municipality among the 5,571 in IBGE

Layer 1, national

Applies to all municipalities: national-standard NFS-e, Simples and PGDAS-D, federal rules and deadlines that do not depend on the municipality. It is in the calendar above.

Layer 2, data read

ISS and municipal declarations, only for municipalities with data read and checked: the 27 capitals and the 50 largest by population (IBGE), 53 municipalities in total.

Layer 3, search

All 5,571 IBGE municipalities are in the search. Those without data read show "no data checked by DFSpro", the status of the national NFS-e and where to look it up.

Municipality nameThe list of municipalities is downloaded only when you start to search.

How this shows up in SAP

From the deadline to the data the system records

The calendar says when. What SAP needs to have ready before the date is on the topic pages.

SPED Fiscal and EFD Contribuições

The ledger comes out of the SAP calculation. The deadline is met only if the data is right before it.

Go to the page

EFD-Reinf, DCTFWeb and eSocial

Withholdings and payroll feed into chained declarations. An error at the source shows up on the filing date.

Go to the page

ECD and ECF

Accounting and IRPJ close the year. The calendar shows the date; SAP needs to have the base reconciled.

Go to the page

ICMS-ST, DIFAL and state payment slips

Payment changes from state to state. What the company decided has to reach the document.

Go to the page

Electronic tax documents

Technical notes bring test and production dates. What that changes in the deadline is on this page.

Go to the page

Tax reform: CBS and IBS

The milestones from 2026 to 2033 appear as deadlines. How the change reaches the system is on the topic page.

Go to the page

Email alert

Get the deadlines and the calendar updates

Subscribe to the DFSpro Radar newsletter to get alerts on dates and changes. The sign-up source is recorded as tax calendar.

DFSpro uses your email to send DFSpro Radar and deadline alerts. The legal basis is your consent. See the legal information.

Sources

Where DFSpro reads the deadlines

Each row in the calendar points to the exact rule or page. These are the starting portals.

The limit of our role

What this calendar does not do

The tax decision always belongs to the client. This page reports the deadline, the rule and the source.

A deadline is not a tax position

The calendar gives the date, the rule and the source. How your company meets the obligation, and which rule it uses when sources differ, is the client's decision.

A calculated date is not an official date

When a date comes from a rule, it is marked "by rule". Only the schedule published by the body counts as an official date.

Local holidays are left out

The calculation uses national holidays. A state or municipal holiday can change a due date and is not in the calculation.

Where DFSpro comes in

We design, configure and prove the behavior of SAP and GUEPARDO Tax. The tax position is outside our service.

Frequently asked questions

Frequently asked questions about the tax calendar

13 questions from people who decide

01What is the deadline for the obligation I have to meet this month?+

Use the filter by obligation, level and state. Each row shows the date, the rule that produced it, the rule, the article and the official source with the date we read it. When the date is not a single one (it varies by state or municipality) or has not yet been set by an act, we show the rule and the status instead of a date.

02Can I rely on the dates to make a decision?+

The dates are calculated by rule from official rules read on the date shown. They are not an official deadline. Confirm at the linked source before you act, because the rule may change after we read it. That is why the date of the last review is visible at the top.

03What does an obligation with no date confirmed in the rule mean?+

It means that no official source that was read confirms the date yet. In these cases we show the rule and the link to check the official act, instead of an uncertain number. The list of these items is public and is updated at each review.

04Why are some obligations shown with no date and only a rule?+

Because the date depends on factors that the rule does not fix on a single day: the state, the municipality, the economic sector or an act not yet published, such as the Senate resolution on tax reform rates. Showing a date in these cases would be making it up.

05How does the calendar treat a deadline that falls on a non-business day?+

It follows the rule of each obligation: some move the date to the previous business day, others push it to the next. Where official sources differ, as with the EFD-Reinf, we show both readings and the date each one was read, without choosing in silence. State and municipal holidays are not counted in the calculated dates.

06Does the calendar cover all states and municipalities?+

In part, and the page shows what there is in each place. Among the states, 18 have complete information (all 6 state obligations with an official rule that was read, or not applicable; counting only the states with all 6 obligations backed by an official rule that was read, there are 17), 9 have partial information and 0 have no information yet (for those, the page gives the reason and the link so you can check the official act). For municipalities, the search covers the 5,571 IBGE municipalities: the 53 largest and the capitals have data read; for the rest, the search shows the way to check with the official body.

07Can I take the deadlines to my own calendar?+

Yes. You export the current filter or one specific obligation as .ics and import it into Google Calendar, Outlook or Apple Calendar. The file says the deadline is calculated by rule and carries the source link.

08How does the email alert work?+

You enter your email and give consent. The sign-up goes into the DFSpro Radar newsletter list, with the source "calendario-fiscal", and confirmation follows the newsletter flow. Each message has a one-click cancel link. The email is not used for any other purpose without new consent.

09What does the tax reform change in the deadlines?+

The reform brings milestones from 2026 to 2033 (CBS, IBS, Selective Tax, split payment and transition). The gradual cut in ICMS and ISS between 2029 and 2032 is separate from the IBS steps. Some dates still depend on an act, and the calendar marks those as 'no act yet'.

10Does DFSpro tell my company how to meet each obligation?+

No. The tax decision is the client's. DFSpro designs, configures and proves the behavior of the SAP system so that the tax information comes out correct and on time. The calendar gives the deadline and the rule; it does not guide a tax position.

11Where does SAP come in?+

A tax deadline is met only if the calculation, the ledger and the electronic documents come out of the system on time and correct. Each obligation has its own page at DFSpro, linked from this page, that explains the topic in SAP in plain concepts, with no step by step.

12How do I know the calendar is up to date?+

The "Updated on" badge is at the top, with the date of the last check of the sources (today 23/10/2026). There is a monthly check, a checker for the URLs of the official sources and a public log of what changed, when and why.

13What if two official sources disagree on the same deadline?+

The page shows both, with the excerpt and the link of each, in the conflicts section. The calendar says which side it adopts and why. Your company decides which rule to use, with your tax team.

Next steps

From the deadline on screen to the deadline met in the system

If the question is how your SAP delivers the data before each date, the talk with DFSpro can start from your own calendar of obligations.

Talk to DFSpro Back to the calendar

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Todas as especialidades

Participar

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Acompanhar

Calendar of tax obligations in Brazil

What this page gives you and how to use it

rows in the calendar

with an official excerpt

with the official act to check

states with information available

municipalities with data read

Filter, view the month or the list and take it to your own calendar

0 obligations with no calculated date

Current and next month, without JavaScript

October 2026: 26 deadlines with a date from 23/10/2026

November 2026: 74 deadlines with a date from 01/11/2026

States with information available

When two official sources say different things

EFD-Reinf: deadline when the 15th is not a business day

Source A: Receita Federal

Source B: Receita Federal

Suspension of 3/8/2026 in electronic tax documents (IBS and CBS)

Source A: Receita Federal

Source B: CGIBS (with Receita Federal)

NT NF-e 2025.002 v1.52, 2026.007 and 2026.008: test and production dates

Source A: Receita Federal / NF-e Portal

Source B: Receita Federal / NF-e Portal

Goiás ICMS: payment deadline under the periodic regime

Source A: SEFAZ-GO

Source B: SEFAZ-GO

São Paulo ICMS: GIA filing under the periodic calculation regime

Source A: SEFAZ-SP

Source B: SEFAZ-SP

NFS-e: version of Annex VII (operation indicators) of NT 009 v1.01

Source A: RFB and CGIBS

Source B: NFS-e Portal (gov.br)

EFD-Contribuições of August/2026 (period June): day of the deadline

Source A: Receita Federal

Source B: Receita Federal

PGDAS-D of August/2026 (period July): day of the deadline

Source A: Receita Federal

Source B: Receita Federal

Procedure note: procedure for the 2027 CBS reference rate: steps, not a conflict

What the body has not yet published, and how to check

Search for your municipality among the 5,571 in IBGE

Layer 1, national

Layer 2, data read

Layer 3, search

From the deadline to the data the system records

SPED Fiscal and EFD Contribuições

EFD-Reinf, DCTFWeb and eSocial

ECD and ECF

ICMS-ST, DIFAL and state payment slips

Electronic tax documents

Tax reform: CBS and IBS

Get the deadlines and the calendar updates

Where DFSpro reads the deadlines

Receita Federal, tax schedule

Sped, Receita portal

Receita Federal rules

Planalto, legislation

Confaz

National NF-e Portal

National NFS-e Portal

IBS Steering Committee (CGIBS)

Simples Nacional, CGSN

Diário Oficial da União (Official Gazette)

IBGE, municipalities

gov.br, Receita services and FAQ

What this calendar does not do

A deadline is not a tax position