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Taxpayer Calendar 2026

Until January 27th

Income Tax

  • Waiver or revocation of simplified direct estimation and objective estimation for 2026 and subsequent years: 036

VAT

  • Waiver or revocation of simplified regimes and agriculture, livestock and fishing for 2026 and beyond: 036

  • Extraordinary deadline for the application for cancellation. Monthly refund registry: 036

  • SII. Extraordinary deadline for opting out of electronic record keeping: 036