NIF Portugal: How to book a Finanças appointment (and what to do when there are no slots)

If you’re searching “NIF Portugal” from abroad, the hardest part often isn’t the paperwork — it’s simply getting an appointment with Finanças (Portuguese Tax Office). This guide shows the official ways to book, what to bring, and the calm, practical alternatives when everything is fully booked — including the online route that avoids appointment hunting.