Argentina document validators: CUIT, CUIL, DNI, CBU, CVU
CUIT (Argentine tax ID)
11 digits formatted XX-XXXXXXXX-X: a type prefix (20, 23, 24, 27 for individuals; 30, 33, 34 for companies), 8 digits (the DNI for individuals) and one check digit.
Customer and supplier onboarding, e-invoicing, KYC and checkout forms in Argentina.
CUIL (Argentine labor ID)
11 digits, XX-XXXXXXXX-X. Prefixes 20 (male), 27 (female), 23/24 when the calculation collides. The middle 8 digits are the DNI.
Payroll, social security registrations, digital pay slips and HR systems.
Argentine DNI (national ID number)
7 or 8 digits, usually written with dots (12.345.678). It has no check digit.
Normalizing DNI input in forms before matching it to CUIL/CUIT.
CBU (Argentine bank account number)
22 digits in two blocks: 8 (bank 3 + branch 4 + check) and 14 (account 13 + check).
Direct debits, supplier payouts, marketplace withdrawals and transfers.
CVU (Argentine virtual wallet account)
22 digits starting with 000, followed by the payment service provider (PSP) code (Mercado Pago, Ualá, etc.).
Payments to and from e-wallets, transfer reconciliation.