DIAC
Published 4 November 2026, 21:42
DIAC — Documento de Identificação do Animal de Companhia (pet identification document)
The document for a dog, cat or ferret, issued once the animal has been entered in the national SIAC database. On the SIAC website you can request it, correct the details, transfer it to a new owner or record the animal's death.
Where you come across it. After microchipping, when you buy an animal, when the owner or address changes.
DIAC covers registering the animal within Portugal. To travel abroad you also need a European pet passport and vaccinations under DGAV rules.
Official website: siac.pt