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2h ago

Buenos Aires City Finalizes 2026 Entry Into Unified Monotax With Joint ARCA–AGIP Resolution

More than 200,000 small taxpayers will manage all obligations in one place via ARCA’s portal.

Germán Krivocapich, titular de AGIP, junto a su par de ARCA, Juan Pazo.
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Los monotributistas con domicilio fiscal en la Ciudad deberán declarar su condición frente al Impuesto sobre los Ingresos Brutos al momento de adherirse al Régimen Simplificado nacional.

Overview

  • ARCA and AGIP published Joint General Resolution 5769/2025 in the Official Gazette, formally incorporating CABA into the Sistema Único Tributario from January 1, 2026.
  • Enrollment will be automatic for national monotributistas operating in the city, while new registrants will sign up through ARCA’s Monotributo portal.
  • A single monthly payment will combine the integrated tax, social security and health contributions with Buenos Aires gross receipts, with unified recategorizations and registrations.
  • Payment credentials move to Form 1520 with a Unique Registry Code (CUR), existing direct debits will add the local levy, and exclusions ordered by ARCA or AGIP will take effect across both regimes.
  • The change removes parallel AFIP/AGIP procedures and certain local withholdings, forms part of the City’s relief package, and brings CABA in line with 13 provinces already using the unified scheme.