The Federal Government’s publication of Decree No. 12,955/2026 and the IBS Management Committee’s (CGIBS) Resolution No. 6/2026 represent a significant step forward in the practical implementation of Brazil’s Consumption Tax Reform. By setting out the operational rules governing the Contribution on Goods and Services (CBS) and the Tax on Goods and Services (IBS), including procedural rules and tax oversight provisions, these measures move the Tax Reform beyond constitutional and statutory guidelines and make it operationally effective.
From a practical standpoint, the regulations govern essential aspects such as:
- taxable scope
- taxable event
- place of transaction
- credit system and split payment
- ancillary obligations
- specific regimes applicable to certain economic sectors
In addition, the rules consolidate the shared administration model between the Brazilian Federal Revenue Service and CGIBS, reinforcing interpretive standardization and national harmonization of the new tax system.
IBS/CBS Regulation – Key Aspects
Aspect | Description |
Purpose | Operational regulation of CBS and IBS, governing collection, tax oversight procedures, and ancillary tax obligations |
Legal Basis | Decree No. 12,955/2026 (CBS) and CGIBS Resolution No. 6/2026 (IBS), both based on Complementary Law No. 214/2025 and Complementary Law No. 227/2026 |
Taxable Scope | Broad coverage of transactions involving goods, services, and rights, including intangible assets and licensing |
Non-cumulativity | Possibility of claiming credits throughout the broader chain, subject to statutory restrictions |
Split Payment | Implementation of automatic tax collection on financial settlement of the transaction |
Ancillary tax obligations | Nationwide standardization of tax returns, electronic tax documents, and tax compliance procedures |
Among the main advances introduced by the regulations is the consolidation of the destination-based taxation model, combined with technological mechanisms aimed at controlling tax collection and tax credit claims.
Split payment stands out as one of the system’s main structural changes, allowing IBS and CBS to be collected automatically upon financial settlement of the transaction, reducing default risks and strengthening tax control.
Another key aspect is the nationwide standardization of ancillary obligations. The regulations require the integration of registries across federal, state, and municipal tax authorities and the standardization of electronic tax documents, which is expected to reduce operational inconsistencies across jurisdictions.
Main Impacts
Aspects | Practical Impacts |
Tax Systems | Immediate adaptation of ERPs and electronic tax documents to include IBS/CBS rules |
Tax Compliance | Expansion of compliance requirements and real-time transaction monitoring |
Credit Management | Review of tax credit utilization policies and internal controls |
Ancillary tax obligations | Adaptation to new tax reporting formats, integrated registries, and unified tax returns |
Cash Flow | Cash flow impacts resulting from split payment and the new automatic collection system |
From a strategic standpoint, the publication of the Decree and the Resolution marks the beginning of a new stage of the Tax Reform, requiring companies to adapt. More than a legislative change, the regulations introduce a new model for the relationship between taxpayers and the tax administration.
Glossary:
Decree No. 12,955/2026: A federal executive act that provides detailed rules for the implementation of the CBS.
IBS Management Committee (CGIBS): The body responsible for managing and coordinating the IBS under Brazil’s new consumption tax system.
Consumption Tax Reform: Brazil’s reform of taxes levied on consumption, including the creation of IBS and CBS.
CGIBS Resolution No. 6/2026: A rule issued by the IBS Management Committee setting out operational rules for the IBS.
Tax on Goods and Services (IBS): A subnational value-added tax created under Brazil’s Consumption Tax Reform, replacing certain state and municipal taxes.
Contribution on Goods and Services (CBS): A federal value-added tax created under Brazil’s Consumption Tax Reform.
Brazilian Federal Revenue Service: Brazil’s federal tax authority.
Ancillary obligations: Tax-related reporting, filing, documentation, and compliance duties that are separate from the obligation to pay tax.
Electronic tax documents: Digital tax documents used to record transactions and support tax reporting and compliance.
Tax credit claims: Claims or procedures through which taxpayers recognize or use tax credits under the non-cumulative tax system.
