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August 2026 Updates for Federal VAT (CBS) and State VAT (IBS)

Summary
  • From 3 August 2026, businesses under Brazil’s regular tax regime must generally complete the new CBS (federal) and IBS (state/municipal) fields when issuing electronic fiscal documents, with documents rejected if required information is missing. [fiscal-req…ements.com][vatupdate.com]
  • Companies must update invoice/XML layouts, ERP and tax-calculation systems, validation rules, reporting processes and tax-authority connections across all document types (NF-e, NFC-e, NFS-e, CT-e, MDF-e, NF3e, NFCom, BP-e), each with its own XML structure. [fiscal-req…ements.com][vatupdate.com]
  • CBS and IBS are new VAT-style taxes replacing PIS/Cofins, ICMS and ISS; during the phased transition (penalty regime from Aug 2026, CBS operational 2027, IBS from 2029, full switch by 2033) businesses must support both old and new taxes. [vatcalc.com][fiscal-req…ements.com]
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