LATAM fintech glossary

35 essential terms on payments, banking, taxes and financial APIs across Latin America. Explained through the lens of bank statement extraction.

Tax 12 terms

AFIP (now ARCA)

AR

AFIP (Administración Federal de Ingresos Públicos) was Argentina's tax authority until late 2024, when it was replaced by ARCA (Agencia de Recaudación y Control Aduanero). It administers VAT, income tax, Bienes Personales, monotributo and electronic invoicing.

CUIT

AR

CUIT (Clave Única de Identificación Tributaria) is Argentina's 11-digit tax ID, used by companies and independent workers. Employees have an equivalent code, the CUIL.

DIAN

CO

DIAN (Dirección de Impuestos y Aduanas Nacionales) is Colombia's tax authority. It administers VAT, withholding tax, ICA and electronic invoicing.

GMF / 4x1000

CO

GMF (Gravamen al Movimiento Financiero), known as 4×1000, is Colombia's 0.4% tax on every bank debit. The bank withholds it automatically.

ITF

PE

ITF (Impuesto a las Transacciones Financieras) is Peru's 0.005% tax withheld on every bank transaction. It shows up broken out on every line item of the bank statement.

NIT

CO

NIT (Número de Identificación Tributaria) is the ID DIAN assigns in Colombia to companies and to individuals with tax obligations. It includes a check digit at the end, separated by a dash.

RFC

MX

RFC (Registro Federal de Contribuyentes) is the unique tax ID for every taxpayer in Mexico. 13 characters for individuals; 12 for companies.

RUC

PE

RUC (Registro Único de Contribuyentes) is Peru's 11-digit tax ID, assigned by SUNAT to anyone carrying out economic activity. The first two digits indicate the type of taxpayer.

RUT

CL

RUT (Rol Único Tributario) is Chile's tax ID for individuals and companies. It ends in a check digit that can be a number or the letter K.

SAT

MX

SAT (Servicio de Administración Tributaria) is Mexico's tax authority, equivalent to the US IRS or Argentina's AFIP. It administers federal taxes (VAT, income tax), electronic invoicing (CFDI) and refunds.

SII

CL

SII (Servicio de Impuestos Internos) is Chile's tax authority. It administers VAT, income tax, electronic invoicing and the Registro de Compras y Ventas (RCV).

SUNAT

PE

SUNAT (Superintendencia Nacional de Aduanas y de Administración Tributaria) is Peru's tax authority. It administers IGV, income tax, electronic invoicing and ITF.