What is a NIF in Portugal?

NIF is short for Número de Identificação Fiscal and is a tax identification number in Portugal. It is a unique 9-digit number assigned to an individual by the Portuguese Tax and Customs Authority (also referred to as Finanças).
Here are other terms that are used interchangeably with NIF:
  • Número de Contribuinte
  • Tax Identification Number (TIN)
  • Fiscal Number
  • VAT Identification Number

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