
Brazil's Dual-VAT Reform Is Quietly Pushing Small Businesses Out of Simples Nacional: A B2B Seller's Guide to the New IBS/CBS Credit Chain
Brazil's IBS/CBS dual VAT replaces five consumption taxes, and a Simples Nacional supplier now passes on a smaller input credit than a regular-regime competitor quoting the same price. A guide to the September 30 and November 1, 2026 deadlines, the 2027 end of cash-basis Simples, and what the credit chain changes in B2B pricing and bookkeeping.










