Complete guide to Argentina's CUIT tax identification number — format, checksum algorithm, CUIL vs CDI differences, Monotributo thresholds, e-invoice types, and ARCA registration for foreigners.
Argentina's mandatory e-invoicing explained — the ARCA factura electrónica regime (RG 4291/2018) where no invoice has tax effect until ARCA grants a CAE, with the 2026–2027 timeline (RG 5866, RG 5852, RG 5893), B2B/B2G/B2C scope, the ARS 10,000,000 consumer-ID rule, FCE MiPyME at ARS 5,549,862, SOAP web services and QR code, CAEA contingency rules, and Ley 11.683 penalties.
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