TIN Check Portugal
To validate a tax identification number (TIN) for Portugal you must place the TIN on top, which must obey the following format:
For Individuals (NIF) and Entities (NIPC)
The Taxpayer indentification number (TIN) assumes the following format:
• NNN NNN NNN.
N identifies that it must be a numeric digit.
After validation, additional information about the entered TIN will be made available.