Brazil is quietly rewriting the rules of how retail transactions are taxed and monitored. For international retailers and POS vendors, the country is moving away from hardware-based fiscal devices toward a fully software-driven model, while at the same time preparing one of the most ambitious tax reforms in its history. The result is a market that is large and attractive—but also tightly controlled in real time and on a path of constant legal and technical change.
For anyone operating stores, e-commerce or omnichannel solutions in Brazil, fiscalization is no longer a local compliance detail. It is becoming a core element of system architecture, expansion strategy and risk management.
One Country, 27 Implementations
Brazil’s complexity in fiscal matters starts with its political structure. The country is a federation of five regions and 27 federal units—26 states plus the federal district—each of which has significant autonomy in tax and procedural matters. Federal law sets the overall framework, but each state issues its own implementing rules and can add specific procedures, deadlines and exemptions.
From the viewpoint of a retailer, Brazil is therefore a single market with 27 different ways of applying the same principles. A chain might operate under one federal concept of fiscalization, but in practice it must adapt to distinct interpretations and technical realities in each state where it opens stores or ships goods.
From Fiscal Printers to Software
The evolution of Brazil’s fiscalization model can be read as a gradual migration from hardware-centric control to software-based, real-time supervision.
The first major step came in 2005, when fiscal printers were introduced as the core compliance mechanism for B2C transactions. These government-certified devices were mandatory for establishments selling goods or services to end consumers and were adopted across all states. They produced tax receipts that served as official, controlled documents.
Over time, some states chose to innovate on that hardware foundation. São Paulo, starting in 2015, replaced the traditional fiscal printer with a device known as SAT (Segurança e Autenticação de Transações Comerciais). The SAT unit acted as a secure intermediary between the POS and the tax authority, receiving transaction data, signing it and transmitting it in real time, while still allowing the store to print a QR-code receipt. Ceará followed with its own approach in 2023, introducing the MFE (Módulo Fiscal Eletrônico), a conceptually similar hardware module used to send fiscal data automatically to the authorities.
In parallel, Brazil began testing a software-based alternative. In 2013, a pilot project with a limited number of retailers in a few states explored a model where the fiscal document would exist purely in electronic form, without any certified printer or fiscal box. The pilot was successful enough that, in 2016, federal legislation formally introduced the NFC-e, the Nota Fiscal do Consumidor Eletrônica—the electronic consumer invoice or digital receipt.
The NFC-e model eliminated the need for fiscal hardware. Instead, the POS or back-office system generates an XML document with all transaction data and sends it directly to the state tax authority’s servers for authorization. A federal rule now requires that, by 2026, this software model must be mandatory in all states and that the sale, development and use of hardware-based fiscal devices such as fiscal printers, SAT and MFE will no longer be permitted. As of late 2025, all 27 federal units have implemented software fiscalization, and only São Paulo and Ceará still operate their hardware devices in parallel, with a clear obligation to phase them out.
NFC-e: The New Backbone of Consumer Fiscalization
The NFC-e does not exist in a vacuum. Brazil already had an electronic invoice model for B2B transactions, the NF-e (Nota Fiscal Eletrônica). The NFC-e is formally based on the NF-e specification and uses essentially the same XML structure and technical regulation; the primary differences lie in business use (consumer sales rather than business-to-business) and a set of mandatory fields and rules specific to B2C scenarios.
This close relationship between NF-e and NFC-e is an advantage for retailers and system providers. It allows for a more unified approach to document generation, validation and integration. A single architecture can support both B2B and B2C fiscal documents, simplifying development, testing and long-term maintenance.
Functionally, the NFC-e replaces the old printed tax receipt as well as the SAT and MFE-based receipts where they still exist. It becomes the primary fiscal document for consumer transactions, regardless of the channel through which the sale is made.
How Software Fiscalization Works in Practice
From the perspective of a POS or retail back-office system, the fiscalization process under the NFC-e model follows a clear series of steps.
The process begins at checkout. When a customer completes a purchase, the POS system compiles all relevant information—items, prices, tax codes, totals, payment details and identification elements—and assembles it into an XML document that conforms to the NFC-e technical specification. This document is digitally signed using the retailer’s certificate, which cryptographically links the fiscal document to the responsible taxpayer.
Next, the system transmits that XML in real time to the state tax authority’s server, the SEFAZ (Secretaria da Fazenda). SEFAZ validates both the structure of the document and the underlying business rules. If everything is correct, it returns an authorization for that NFC-e. If validation fails, the document is rejected, and the retailer must correct and retransmit the transaction.
Only after authorization does the retailer issue a receipt for the customer. Under the new model, this receipt is formally non-fiscal; its role is to provide human-readable transaction information and to present a QR code that links the consumer to the official digital record stored with the tax authority. The retailer can print this document on any standard non-fiscal printer. Alternatively, increasingly common in practice, it may deliver the receipt electronically, for instance via email or a digital wallet, which aligns with both consumer convenience and environmental goals.
The model assumes online connectivity as the norm, but the law recognises that networks fail. If a store temporarily loses access to SEFAZ servers, it can operate in an offline mode. In this scenario, the POS system continues to issue NFC-e locally and prints receipts with an offline status, then transmits those pending documents once the connection is restored. Designing robust buffering, retry mechanisms and monitoring is therefore not just good IT practice; it is a compliance requirement in a regime where every sale must ultimately be authorised.
Who Must Comply—and Where the Exceptions Are
In broad terms, the obligation to issue NFC-e applies to VAT-registered taxpayers that sell products or services to end consumers. That includes a wide range of retail categories, from fashion and footwear to supermarkets, convenience stores, pharmacies, restaurants, bars and many others. Online transactions are within scope as well. Whether the sale occurs in a physical store, through an e-commerce site or via remote channels such as phone ordering, the retailer must issue an NFC-e for B2C operations.
However, Brazil’s federative structure once again asserts itself in the details. Federal rules define the general obligation; state-level legislation refines it. Some states introduce transitional arrangements or exemptions for micro-entrepreneurs and very small taxpayers. Others phase in the obligation by business segment or revenue size, or adopt specific timelines for sectors such as fuel, hospitality or certain services. For example, some states only recently completed the migration of particular industries to NFC-e schedules in 2024.
For international retailers and POS vendors, this means that checking the federal rules is only the first step. Any rollout or change project must include a state-by-state legal assessment and configuration exercise.
What Retailers Need Technically
To operate under the NFC-e model, retailers must assemble a specific set of capabilities and assets.
A digital certificate is required to sign each document, ensuring authenticity and integrity. Companies must be registered not only nationally but also at the state level, and they must be formally authorised by the relevant SEFAZ to issue electronic documents in real time. Many states require a taxpayer security code, which is used among other things in generating the QR code displayed on receipts.
On the infrastructure side, retailers need suitable devices—POS terminals, PCs or servers—with reliable connectivity and printers for those cases where physical receipts are still provided. The requirement for certified fiscal printers disappears, but the quality and resilience of the network connection becomes critical, because every sale depends on a successful interaction with SEFAZ.
On the software side, retailers can either build their own NFC-e issuing system or purchase a solution from a vendor. Small businesses might use basic, off-the-shelf cloud software, while large chains typically require enterprise-grade solutions that can integrate with complex POS and ERP environments. In all cases, the software must pass a homologation process in a test environment provided by SEFAZ before it can be used in production.
For POS vendors and integrators, this translates into a substantial list of responsibilities: generating and validating XML documents, managing certificates and security, handling business rule rejections gracefully, integrating state-specific web services, and ensuring that back-office systems remain synchronized with authorized fiscal data.
SEFAZ and the Federal Revenue: Two Layers of Authority
Retail fiscalization in Brazil sits at the intersection of federal and state responsibilities. At the national level, the Federal Revenue (Receita Federal) is responsible for federal taxation and customs. It defines key concepts and rules for electronic documents and overall fiscal architecture.
At the state level, the SEFAZ departments act as tax authorities for each state. They manage taxpayer registration, operate the systems that receive and authorize NF-e and NFC-e, and apply and enforce state rules. For retailers and POS vendors, SEFAZ is the day-to-day counterpart: all electronic documents flow through its servers, and its responses determine whether a sale is deemed authorised and compliant.
This dual structure introduces another layer of complexity in governance and coordination, particularly during major tax reforms.
The Coming Tax Reform: Dual VAT and a Long Transition
If the migration to software fiscalization were the only change underway, Brazil would already be a demanding environment for retail systems. In reality, the country is simultaneously preparing a far-reaching tax reform that aims to simplify its multi-layered consumption tax structure through a dual VAT model.
Today, retailers must navigate an alphabet soup of taxes: PIS and COFINS, which are federal social contributions on revenue; IPI, a federal tax on manufactured goods; ICMS, a state-level tax on the circulation of goods and some services that functions much like a classic VAT; and ISS, a municipal services tax, among others. Each tax has its own base, rates and reporting obligations.
The reform plans to replace this mosaic with two main taxes: CBS, a federal VAT-type levy, and IBS, a VAT-type tax shared by states and municipalities. The path to that end point, scheduled to be fully complete by 2033, is deliberately gradual.
From 2026, CBS and IBS are introduced in a pilot phase at very low rates—0.9% for CBS and 0.1% for IBS—without immediately abolishing existing taxes. They are essentially test instruments, designed not to disrupt day-to-day operations but to allow authorities and taxpayers to familiarise themselves with the mechanics of the new system.
In the years that follow, CBS gradually becomes fully operational at the federal level. PIS and COFINS are abolished, and IPI is reduced to 0%. A selective tax is introduced on specific categories such as tobacco or certain energy products, while CBS is temporarily reduced to offset part of the burden created by IBS as it gains weight. At the same time, IBS rates are slowly increased, and the traditional state and municipal taxes ICMS and ISS are reduced stepwise. Between 2029 and 2032, those legacy taxes are progressively cut to fractions of their current levels; by 2033, ICMS and ISS are scheduled to disappear entirely, leaving the dual VAT system of CBS and IBS as the main pillars of consumption taxation.
For retailers and POS vendors, this long transition means years of overlapping regimes, transitional rules and constant updates. Tax determination logic will need to evolve multiple times; products and services must be re-mapped to new tax categories; and the fiscal documents sent to SEFAZ—NF-e and NFC-e—must always reflect the correct combination of legacy and new taxes at each stage of the reform.
Why This Matters for Retailers and POS Vendors
Taken together, Brazil’s shift to software fiscalization and its planned tax reform represent both an opportunity and a significant operational test for international retail.
On the positive side, the move to NFC-e creates a more transparent and standardised environment. It removes the need for proprietary fiscal hardware, reduces dependency on specialised devices and opens the door for more flexible, cloud-based and omnichannel architectures. Real-time control via SEFAZ delivers a clear signal: compliant retailers can prove the integrity of their sales data quickly and consistently.
On the other hand, the same transparency and real-time supervision raise the bar on systems design and process discipline. Every sale must be authorised; every connectivity issue must be anticipated; every change in tax rules must flow correctly into XML data. The federative dimension of Brazil means that no single state’s rules are sufficient to ensure compliance across the country, and the long tax reform process will add layers of transitional complexity before it achieves its simplifying goals.
For retailers and POS vendors that treat Brazil as a strategic growth market, fiscalization and tax design can no longer be delegated to small local add-ons or last-minute patches. They belong in the core of the technology roadmap and risk framework. In a market this large, this dynamic and this tightly monitored, getting fiscalization right is not just about avoiding fines and store closures—though those are very real risks. It is about building systems and processes that can thrive in one of the world’s most demanding retail regulatory environments.
This article is based on a webinar prepared and run by Ivana Picajkić, a legal consultant at Fiscal Solutions. You can find a full recording of the webinar here.