Brazil tests dual-VAT at a 1% rate from January 2026 — every NF-e and NFS-e reissued.
The rate is symbolic. CBS sits at 0.9%, IBS at 0.1%, layered on top of Brazil's four legacy taxes (PIS, Cofins, ICMS, ISS), which are still being collected. The arithmetic is a rounding error. The plumbing is not. Since 1 January 2026 every NF-e (electronic goods invoice) and NFS-e (electronic services invoice) issued by a Lucro Presumido or Lucro Real firm must carry the new CBS and IBS fields, mapped correctly to the NCM (federal product code) and CNAE (business-activity code), or the document fails validation at the SEFAZ (state tax authority) portal and the sale stops at the till. Receita Federal (the federal tax authority) calls 2026 an operational test phase. The shop owner on Avenida Paulista calls it the year nothing leaves the warehouse without the bookkeeper signing it off.
01The pain
Twenty days. That is the median time a Brazilian fiscal team needs to register a single tax invoice end-to-end, after the document has already been issued. One in five takes more than thirty. V360 surveyed 355 companies in April 2026, 63% of them moving over 10,000 invoices a month. Of those firms, 87% describe their stack as highly automated; only 49% close the cycle without manual intervention. Chief executive Izaias Miguel called it a backlog of exceptions and rework.1
The regime change shipped on 1 January. CBS at 0.9% and IBS at 0.1% now sit on top of PIS, Cofins, ICMS and ISS, the four legacy taxes still being collected. A misclassified NCM line, a stale CNAE flag, a wrong tax code, and the SEFAZ portal returns a rejection. The invoice does not exist. The merchandise does not leave. FENACON (Brazil's accountants' federation) costs the shift on a single contract: a R$20,000/month (~US$3,900) tech-consulting deal moves from 8.65% to 19.6% effective tax. Most B2B contracts were signed without a price-recomposition clause. The supplier eats it.2,3
Contabilizei (Brazil's largest online accounting firm) flags a four-month penalty-relief window that opens at regulation publication; miss it and fines for invalid CBS or IBS data start landing on issued documents. In 2027, mandatory split payment peels the tax slice off card and Pix (Brazil's instant-payment rail) transactions in real time. FENACON warns that Simples Nacional suppliers, in most cases, generate no IBS or CBS credit for downstream Lucro Real buyers. Drop the supplier, recover the input. For the clothing store on Avenida Paulista billing in reais against pre-reform contracts, 2033 is no longer the deadline. January was.4
Further reading
- 1 Agência Brasil (Empresa Brasil de Comunicação) — "Reforma tributária expõe desafios em automatização de empresas" (V360 study, 355 firms): agenciabrasil.ebc.com.br/economia/noticia/2026-04/reforma-tributaria-expoe-desafios-em-automatizacao-de-empresas
- 2 Agência Brasil — "Reforma tributária entra em fase de testes em 2026": agenciabrasil.ebc.com.br/economia/noticia/2026-01/reforma-tributaria-entra-em-fase-de-testes-em-2026
- 3 FENACON — Federação Nacional das Empresas de Serviços Contábeis — "IBS e CBS na Reforma: desafios para a precificação dos serviços": fenacon.org.br/reforma-tributaria/ibs-e-cbs-na-reforma-desafios-para-a-precificacao-dos-servicos
- 4 Contabilizei (Brazilian online accounting firm) — "Reforma Tributária: o que muda, resumo e como se preparar em 2026": contabilizei.com.br/reforma-tributaria/artigo/reforma-tributaria-o-que-muda-resumo-e-como-se-preparar-em-2026
02Who solves this today
Three Brazilian-market vendors that name CBS, IBS or Reforma Tributária on their own homepage as the lead promise. Each entry was checked live; vendors that handle NF-e generally but do not name the dual-VAT regime were dropped.
Listed providers publicly market to the Brazilian Reforma Tributária / CBS / IBS / NF-e-2026 niche on their own homepages. Inclusion is not endorsement. Adjacent Brazilian-market vendors were considered and excluded where their public homepage did not name the niche on the date of writing — Contabilizei is cited above in section 01 as a Brazilian readiness brief on the regime, but its own homepage tagline ("a maior contabilidade online do Brasil" — "the largest online accounting service in Brazil") does not name CBS, IBS or Reforma Tributária as a self-marketing claim and the vendor was therefore dropped from the solutions list per the niche-language test; Bling's homepage references NF-e emission generally but did not name the dual-VAT 2026 regime on the date of writing. Both may be considered in a future revision if their public positioning changes. The official Receita Federal portal is cited in section 01 as the regulator, not as a third-party solution provider.
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