Tax Reform | News Release from October 3–9
09/10/2026e-BEF: deadline for reporting ultimate beneficial owners is December 31
22/10/2026HIGHLIGHTS
Tax Reform | News Release from October 17–30

We are pleased to present our Weekly Tax Reform News Release, created to keep our clients informed about the main changes in legislation, electronic tax documents, and procedures that impact day-to-day operations
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Federal Audit Court proposes 11.3% rate for CBS in 2027
Senate Portal, 10.28.2026 – The Federal Audit Court (TCU) approved a proposed reference rate of 11.3% for the Contribution on Goods and Services (CBS), scheduled to come into effect in 2027. The percentage must be defined by the Senate through a resolution by December 22. If no decision is made by December 15, the rate proposed by the TCU will take effect on January 1, 2027. The CBS will gradually replace PIS/Pasep and Cofins during the transition to the new consumption tax system, expected to be completed in 2033. The TCU also established a 44.16% reduction factor applicable to purchases made by the direct public administration, local authorities, and public foundations.
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Extension of deadline discussed for cooperatives to opt for the specific CBS and IBS regime
Gov.br Portal, 10.29.2026 – The Brazilian Federal Revenue Service and the IBS Management Committee are discussing extending, until November 30, 2026, the deadline for cooperative societies to opt for the specific CBS and IBS regime. The change still depends on regulatory formalization. To complete the procedure, cooperatives must register the option on the Federal Revenue Service Services Portal and submit the list of members, with identification and respective admission dates.
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System approved for submitting proposals to amend the NBS/NEBS
Resolution No. 2, dated 10.22.2026 – Official Gazette of 10.29.2026 – Approves, within the scope of the Gov.br Portal, the “Propose Amendment to the NBS/NEBS” service, intended for the submission of proposals to amend the Brazilian Nomenclature of Services, Intangibles and Other Transactions that Produce Changes in Equity (NBS) and its Explanatory Notes (NEBS).
Read more here.
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