Business owners in Argentina often encounter form rejections due to confusion between the CUIL and CUIT. This is a common friction point in the country’s unified social and tax system, particularly for SaaS platforms hiring local contractors. Similarly, cross-border traders may face delays in IVA (VAT) claims from unverified identifiers during client onboarding.
Argentina’s tax regulations are under the Administración Federal de Ingresos Públicos (AFIP). Errors in distinguishing labor numbers from tax numbers are frequent. Misusing a CUIL in commercial filings can result in fines and “blocked” tax status. This article answers the 10 essential questions about TIN in Argentina, offering clear insights to help you navigate the system. It is notably applicable for international entities, with solutions like TaxDo providing efficient tools for ongoing compliance amid 2026 digital AFIP updates.
