Brazil: Publication of IBS/CBS e-invoicing implementation calendar under consumption tax reform
First official implementation timeline for electronic fiscal documents supporting the new IBS/CBS indirect tax regime.
The Brazilian Federal Revenue Service (Receita Federal do Brasil (RFB)) and the IBS Management Committee (CGIBS) on July 30, 2026, issued Joint Act RFB/CGIBS No. 4/2026, establishing an implementation calendar for the electronic fiscal documents that will support Brazil's new IBS (tax on goods and services) and CBS (contribution on goods and services) regime.
The Joint Act provides the first official timeline for the mandatory issuance of electronic fiscal documents incorporating IBS and CBS information.
Background
Brazil's consumption tax reform introduces the IBS and CBS as the country's new indirect taxes, requiring extensive changes to existing e-invoicing and transactional reporting frameworks.
To support the new regime, existing electronic fiscal document models must be adapted to incorporate IBS and CBS information and enable taxpayers to report transactions under the new tax structure.
The CGIBS on July 29, 2026, published Resolution No. 16/2026, authorizing the establishment of implementation deadlines for electronic fiscal documents. The RFB and the CGIBS then issued Joint Act No. 4/2026 setting forth the corresponding implementation calendar.
Subsequently, the tax authorities announced a temporary relief measure under which electronic documents generally will not be rejected solely because IBS and CBS fields have not been completed. The relief is expected to remain in effect pending publication of a Joint Technical Act suspending mandatory reporting of those data elements and implementing related validation-rule adjustments.
Implementation schedule
The Joint Act establishes phased implementation dates for the different electronic fiscal document models affected by the reform.
Effective date | IBS/CBS-compliant document | Purpose |
August 3, 2026 | NF-e (Nota Fiscal Eletrônica) | Electronic invoice for sales of goods and other taxable transactions. |
NFC-e (Nota Fiscal de Consumidor Eletrônica) | Electronic invoice for retail sales. | |
CT-e (Conhecimento de Transporte Eletrônico) | Transportation document for freight services. | |
CT-e OS (Conhecimento de Transporte Eletrônico para Outros Serviços) | Transportation document for passenger and valuables transportation services. | |
MDF-e (Manifesto Eletrônico de Documentos Fiscais) | Electronic freight manifest containing cargo information. | |
BP-e (Bilhete de Passagem Eletrônico) | Electronic passenger transportation ticket. | |
NF3e (Nota Fiscal de Energia Elétrica Eletrônica) | Invoice for electricity supply. | |
DC-e (Declaração de Conteúdo Eletrônica) | Declaration for shipments not accompanied by fiscal documents. | |
GTV-e (Guia de Transporte de Valores Eletrônica) | Document for the transportation of valuables. | |
October 1, 2026 | NFS-e (Nota Fiscal de Serviços Eletrônica) | Invoice for services subject to ISS and IBS/CBS. |
NFCom (Nota Fiscal Fatura de Serviços de Comunicação Eletrônica) | Invoice for telecommunications services. | |
DIR (Declaração de Importação de Remessas) | Import declaration for low-value shipments. | |
DeRE (first phase) | Declaration of Specific Regimes. | |
November 15, 2026 | DeRE (second phase) | Additional implementation phase of the Declaration of Specific Regimes. |
December 1, 2026 | NFS-e for Digital Platforms | Invoice for services provided by digital platforms. |
NFS-e for Intangible Goods | Invoice for intangible goods and digital products. | |
NF-e for IBS/CBS Taxpayers Not Subject to ICMS | Invoice for IBS/CBS taxpayers not registered for ICMS purposes. | |
NFGas (Nota Fiscal de Gás Eletrônica) | Invoice for natural gas supply. | |
NFAg (Nota Fiscal de Água e Saneamento Eletrônica) | Invoice for water and sanitation services. | |
NF-e ABI (Nota Fiscal Eletrônica para Alienação de Bens Imóveis) | Invoice for real estate transfers. | |
DeRE (third phase) | Additional implementation phase of the Declaration of Specific Regimes. | |
January 1, 2027 | DUIMP (Declaração Única de Importação) | Single electronic import declaration. |
Tax Documents for Simples Nacional Taxpayers | Electronic reporting for taxpayers subject to the Simples Nacional regime. | |
NF-e for Single-Phase Taxation | Invoice for products subject to single-phase taxation. |
Technical specifications
The Joint Act also establishes expected publication dates for the technical specifications that taxpayers and software providers will need to implement.
For several new document models, including the NF-e applicable to IBS/CBS taxpayers that are not registered for ICMS purposes and the NFS-e for Digital Platforms, the technical specifications are expected to be released by September 1, 2026.
The authorities note that publication dates may be adjusted for operational or technical reasons, although they reaffirm their commitment to the timely implementation of the tax reform.
Implications for businesses
The release of the implementation calendar provides taxpayers with greater certainty regarding the rollout of Brazil's new digital reporting requirements under the IBS/CBS regime.
Businesses operating in Brazil may need to:
- Identify which electronic document models apply to their operations
- Assess ERP, invoicing, and tax-determination systems for IBS/CBS readiness
- Monitor publication of technical layouts and implementation guidance
- Plan testing activities before applicable implementation dates
- Evaluate the impact of the new reporting requirements on business processes, controls, and transaction flows
- Consider that noncompliant invoices that do not meet IBS/CBS readiness requirements will be temporarily allowed but penalties may apply to those that issue them
For foreign businesses and digital service providers, the publication of a new NF-e category applicable to IBS/CBS taxpayers that are not registered for ICMS purposes may be especially significant. However, the authorities have not yet issued comprehensive guidance regarding scope, registration requirements, or operational compliance procedures for nonresident taxpayers.
Next steps
The publication of Joint Act RFB/CGIBS No. 4/2026 marks the transition from a legislative framework to a defined implementation phase for Brazil's IBS/CBS e-invoicing ecosystem.
The release of the remaining technical specifications and guidance throughout 2026 will provide the operational details necessary to comply with the new e-invoicing and reporting requirements introduced by Brazil's consumption tax reform.
For further information, please contact a KPMG tax professional:
Bruna Felizardo | brunafelizardo@kpmg.com.br
Andre Peres | aperes@kpmg.com.br
Philippe Stephanny | philippestephanny@kpmg.com
Paula Smith | ppsmith@kpmg.com
Atila Borba Vaccaro Pidoni Mota | atilamota@kpmg.com
Bruno Siqueira Peitl | bsiqueirapeitl@kpmg.com
Ramon Frias | ramonfrias@kpmg.com