Tax ID format
Each country has a specific format for tax identification numbers. Countries in the same region, such as the European Union (EU), may have similar formats.
Argentina specifics
Use the Unique Tax Identification Code (CUIT) in the Supplier Tax ID field. The Tax Identification Type can be added for CUIT.
How Infor meets the requirement
Modulus 11 Check Digit Validation can be setup in Vendor. See the Financials Setup and Administration Guide.