Brazil Tax Reform: How the Dual VAT Model (CBS and IBS) Will Impact e-Invoicing

Brazil passed a sweeping tax reform through Constitutional Amendment No. 132 to simplify and modernize its complex tax system. The reform replaces five existing taxes (PIS, Cofins, IPI, ICMS, and ISS) with two new ones under a Dual VAT model: the federal Contribution on Goods and Services (CBS) and the state/municipal Goods and Services Tax (IBS).

Overview of Brazil’s Tax System

Brazil has one of the most complex tax systems in the world, structured across three levels federal, state, and municipal and governed by specific regulations in 26 states and over 5,000 municipalities. This legislative diversity imposes a significant administrative and tax burden on businesses, particularly in inter-state and inter-municipal operations. The fiscal bureaucracy forces companies to allocate substantial resources to compliance, thereby impacting their competitiveness and operational efficiency.

The reform aims to make the system simpler, fairer, and more transparent, reduce bureaucracy, and enhance transparency in tax processes. It's a crucial step toward correcting structural imbalances and fostering economic growth.

What Does the Tax Reform in Brazil Entail?

With the reform, Brazil will adopt a Dual VAT model, introducing two new taxes: the CBS (Contribution on Goods and Services), at the federal level, and the IBS (Goods and Services Tax), managed by states and municipalities. This system, similar to the GST model used in many countries, aims to simplify tax payments and enhance fiscal transparency. A third tax will also be introduced: the Selective Tax (IS), which will have federal reach and apply to products deemed harmful to health or the environment.

Under this structure, the CBS and IS will replace the Contribution to the Social Integration Program (PIS), the Contribution for the Financing of Social Security (Cofins), and the Tax on Industrialized Products (IPI) at the federal level. Meanwhile, the IBS will replace the ICMS (Tax on the Circulation of Goods and Services, including Interstate and Intermunicipal Transport and Communications) and the ISS (Tax on Services of Any Kind) at the state and municipal levels. Although each tax will be managed independently, all will operate under a common set of rules to ensure coherence within the new system.

Features of the New Dual VAT: CBS and IBS

The new Dual VAT system in Brazil consists of two taxes: the CBS (federal) and the IBS (state and municipal). Both share a set of features designed to simplify tax compliance and promote a more transparent and competitive economy:

• Broad application base: Both taxes will apply to all transactions involving tangible goods, intangible assets, rights, and services, including sales, rentals, licenses, leasing, or service provision.
• Destination-based taxation: The tax is collected in the region where the good or service is consumed, benefiting states and municipalities with higher consumption.
• Immediate tax credit: Any tax paid along the production chain will generate an automatic credit, including for investments and operating expenses such as energy, services, or inputs. This eliminates tax accumulation and lowers costs.
• Unified rules: CBS and IBS will follow common legislation nationwide, simplifying their application and oversight.
• Transparent rates: Each tax will be calculated separately, without being included in its own base or that of the other, enhancing clarity around taxed amounts.
• Fast credit reimbursement: Accumulated tax credits will be returned to taxpayers quickly and efficiently.
• Investment incentive: Investments will allow for immediate recovery of tax credits, encouraging economic development.
• Tax-free exports: Exports will be exempt from taxes, with VAT refunded throughout the entire production chain.
• Equal taxation for imports: Imported goods and services, including digital ones, will be subject to the same rules as domestic products, ensuring fair competition.

Tax Reform Transition Period

The implementation of the new tax system will be gradual, allowing businesses to adapt their fiscal and technological processes without disrupting daily operations. The regulation will be structured through various complementary laws and resolutions that will guide the pace of the transition over the coming years:

• 2025: Publication of complementary laws regulating CBS and IBS, and the beginning of legal and institutional adjustments.
• 2026: Approval of complementary laws targeting special regimes and specific sectors.
• 2027: Start of CBS (Contribution on Goods and Services) collection.
• 2029: Start of the phased collection of IBS (Goods and Services Tax).
• 2033: Complete elimination of current taxes—ICMS, ISS, PIS, Cofins, and IPI—and full consolidation of the new Dual VAT system.

The reform outlines two transition phases. The first will affect the public and take place from 2026 to 2033, during which the old and new taxes will coexist. The second, specific to government entities, will span more years and will be virtually unnoticeable to most taxpayers.

IBS and CBS regulations in Brazil*

On April 30, 2026, the Brazilian Federal Government published Decree No. 12,955, formally approving the regulation of the Contribution on Goods and Services (CBS). Also, the IBS Steering Committee (CGIBS) issued Resolution No. 6, establishing the official regulation for the Tax on Goods and Services (IBS).

Together, these regulations define the operational framework of Brazil’s new Dual VAT tax system, including compliance obligations, special tax regimes, and the common rules intended to ensure consistent implementation across the country.

Joint Act RFB/CGIBS No. 4 of July 30, 2026, subsequently established the mandatory implementation schedule for issuing electronic tax documents adapted to the Consumption Tax Reform.

Electronic Tax Document Implementation Schedule

Mandatory implementation will be phased according to the type of document, sector, and tax regime:
August 3, 2026: Mandatory implementation begins for NF-e, NFC-e, CT-e, CT-e OS, DC-e, GTV-e, MDF-e, NF3e, NFS-e Via, and BP-e for certain passenger transportation services.

• October 1, 2026: NFS-e for general services subject to ISS, NFCom, the Remittance Import Declaration (DIR), and the first phase of the Specific Regimes Declaration (DeRE).
• November 15, 2026: Second phase of DeRE, covering monthly recurring events.
• December 1, 2026: BP-e for air, semi-urban, and metropolitan passenger transportation, NF-e ABI, NFAg, NFGas, and certain NF-e and NFS-e scenarios.
• January 1, 2027: Tax documents for Simples Nacional taxpayers, the Single Import Declaration (Duimp), import NF-e, the third phase of DeRE, and NF-e for transactions involving fuels subject to single-phase taxation.

Latest regulatory updates and technical notes

As part of the Tax Reform, Brazil continues to move forward with regulations for the new Dual VAT model through the publication of regulations, Technical Notes, and regulatory updates affecting both electronic tax documents and tax compliance processes.

• NT 2026.001 and NT 2026.006 – Payment Linking and Split Payment: Introduce new fields in electronic tax documents to link them to payment transactions in preparation for the implementation of Split Payment, which is expected to begin in 2027.
• NT 2025.002 v2.00 (BP-e TA): Publishes the final version of the technical specifications for the Electronic Air Transportation Ticket (BP-e TA), including the document reception service and the adaptation of BP-e services to air passenger transportation.
• Signature and Authorization Provider (PAA): NT 2026.001 v1.02b establishes the PAA specifications for NF-e. During August 2026, registration was enabled for PAA providers and user companies, and new web services were published for distributing and updating service data.
• Joint Technical Act No. 2/2026: Approves and formalizes the technical documentation to be applied to the various electronic tax documents as part of their adaptation to the Tax Reform, including the corresponding Technical Notes, reports, and reference tables.
• Joint Act RFB/CGIBS No. 4/2026: Establishes the official mandatory implementation schedule for issuing electronic tax documents adapted to the Consumption Tax Reform.
• NT 2025.002-RTC v1.40 (NF-e and NFC-e): Establishes new groups, fields, and validation rules related to IBS and CBS for NF-e and NFC-e.
• NT 2020.001 v1.60 and SINIEF Adjustment No. 14/2026: Reduce the deadline for the recipient's conclusive acknowledgment of an NF-e from 180 to 90 days from the document's authorization date. This change affects the Confirmation of the Transaction, Unrecognized Transaction, and Transaction Not Performed events.

Electronic Air Transport Ticket (BP-e TA) in Brazil

Technical Note 2025.002 v2.00 publishes the final version of the technical specifications for the Electronic Air Transportation Ticket (BP-e TA), the new electronic tax document for air passenger transportation transactions in Brazil. Joint Act RFB/CGIBS No. 4/2026 establishes December 1, 2026, as the date on which BP-e TA becomes mandatory for air passenger transportation.

BP-e TA adapts the issuance and tax reporting requirements of the aviation sector to the new tax framework based on IBS and CBS.

Its main features include:

• XML format with a mandatory electronic signature.
• Detailed information on the flight, passenger, and IBS and CBS tax amounts.
• Automated validations and event reporting for actions such as cancellation, replacement, or correction.
• Compatibility with the new alphanumeric CNPJ.
• New fields and validation rules to ensure accurate reporting and tax traceability for air transportation transactions.

Alphanumeric CNPJ in Brazil

Brazil is introducing the alphanumeric CNPJ, an evolution of the tax identification registry for legal entities that expands the number of combinations available for new registrations. The change is regulated by RFB Normative Instruction No. 2,229/2024.

The CNPJ will remain 14 characters long, but its structure will change:

• First 8 positions: Alphanumeric and corresponding to the root of the CNPJ number.
• Next 4 positions: Alphanumeric and identifying the establishment sequence.
• Last 2 digits: Numeric and corresponding to the check digits.

The new format applies to new registrations, which may receive identifiers containing both letters and numbers. Existing CNPJ numbers will not change and will remain valid. Companies must ensure that their systems are prepared to receive, store, validate, and process alphanumeric CNPJ numbers.

Impact on Businesses and Electronic Invoicing

The Tax Reform requires businesses to review their tax and technology processes to adapt to the new Dual VAT model (CBS and IBS). Electronic invoicing systems will need to incorporate new rules, structures, and validations.

In addition, the rollout of Split Payment will require greater integration between electronic invoicing, tax processes, and payment transactions.

Key Impacts on Businesses 

• Operational restructuring: Companies will need to review and adjust internal processes to comply with the new tax model.
• Management system updates: ERPs, accounting, and tax systems will need modifications to accommodate new rules and tax calculations.
• Changes in electronic tax documents: Invoices will need to include new fields and technical structures related to CBS and IBS.
• Altered invoice issuance and reception: Electronic processes will need to be updated to comply with new validation rules and technical standards.
• Integration with payment processes: The future implementation of Split Payment will require businesses to link electronic tax document data with financial transactions and the collection processes for IBS and CBS.
• Tax code revisions: The codes used in commercial operations will require updates.
• Restrictions on tax incentives: Sectors currently enjoying fiscal benefits may face limitations under the new regime.
• Stronger tax oversight: The introduction of new tax categories will enable more precise and automated monitoring by tax authorities.

How to prepare for Brazil’s Tax Reform?

Brazil’s Tax Reform is having a direct impact on corporate tax and technology processes. The implementation of new IBS and CBS requirements requires companies to review systems, processes, and integrations to ensure regulatory compliance and operational continuity.

Adaptation goes beyond updating electronic tax documents. Companies must adjust layouts, validations, tax rules, and invoicing workflows to comply with the new requirements established by the Brazilian tax authorities. Furthermore, the publication of new Technical Notes and regulations requires continuous monitoring of regulatory and technical developments.

EDICOM helps companies manage this transition through a global electronic invoicing and tax compliance platform designed to support the new CBS and IBS requirements.

Our solution enables companies to:

• Adapt formats, validations, and integrations to new tax requirements.
• Automate the issuance and receipt of electronic tax documents.
• Ensure traceability and monitoring of processes.
• Centralize compliance in Brazil and other countries through a single platform.
• Reduce the risk of rejections, errors, and operational disruptions.
• Keep systems continuously aligned with regulatory updates.

The transition to the new tax model requires close coordination between tax, technology, and operational teams. Anticipating testing, validations, and system changes is essential to ensure a smooth and secure transition to Brazil’s Tax Reform.