Sources

Official sources behind the regulatory data (tax brackets, contribution rates, document formats...) cited by Numelto's English calculators and tools, grouped by country. Only sources actually cited by an English resource appear here.

Argentina

Chile

SII — Impuesto al Valor Agregado (IVA): tasa general del 19% (DL 825 de 1974)

Valid since October 1, 2003 · Last reviewed September 25, 2026

Cited by

Colombia

DIAN — Resolución 000238 de 2025 (valor de la UVT para 2026)

Valid since January 1, 2026 · Last reviewed September 24, 2026

Cited by

Ecuador

España

Agencia Tributaria — escala general de referencia (estatal + autonómica combinada, valores habituales; varía por comunidad autónoma)

Valid since January 1, 2024 · Last reviewed September 27, 2026

Cited by

Agencia Tributaria — retención de IRPF en facturas de profesionales (7% durante el año de inicio de actividad y los dos siguientes, 15% con carácter general)

Valid since January 1, 2023 · Last reviewed September 27, 2026

Cited by

Agencia Tributaria — tipos impositivos del IVA

Valid since September 1, 2012 · Last reviewed September 27, 2026

Cited by

Agencias Tributarias autonómicas — ITP (varía por comunidad autónoma) e IVA/AJD de vivienda de obra nueva

Valid since January 1, 2026

Cited by

Orden PJC/297/2026, de 30 de marzo (BOE), tipos de cotización general del trabajador por cuenta ajena, contrato indefinido

Valid since January 1, 2026 · Last reviewed September 27, 2026

Cited by

México

INEGI / DOF — Valor de la Unidad de Medida y Actualización (UMA)

Valid since February 1, 2026 · Last reviewed September 25, 2026

Cited by

SAT — Ley del Impuesto al Valor Agregado (IVA México)

Valid since January 1, 2014 · Last reviewed September 27, 2026

Cited by

Perú

República Dominicana

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