The Tax Identification Number (NIF) of Portugal. This page is generated from the registry metadata of the library.
| Property | Value |
|---|---|
| Country code | PRT, PT |
| ID type | Tax Identification Number (NIF) |
| Official name | Número de Identificação Fiscal (NIF) |
| Also known as | NIF; Número de Identificação Fiscal; Tax Identification Number |
| Display format | XXXXXXXXX |
| Input masks | ######### |
| Length | 9 |
| Example | 123456789 |
| Checksum | yes |
| Checksum algorithm | Weighted sum mod 11 (weights 9..2) |
| Parsable | no |
The root entry registers every country:
import { validateNationalId } from 'idnumbers';
validateNationalId('PRT', '123456789').isValid; // true
To bundle only this country, import its definition from idnumbers/countries/prt and pass it to register():
import { register, validateNationalId } from 'idnumbers/core';
import { country } from 'idnumbers/countries/prt';
register(country);
validateNationalId('PRT', '123456789').isValid; // true