If you arrived at the airport, your pet should have been examined and you should have received instruction on the next steps.
It your pet wasn’t examined at the airport or you arrived by land, you should contact the Municipal Veterinary, who will handle and process your pet. Soon, I will publish here a list of the contacts of all the Municipal Veterinaries in Portugal.
While we can’t get hold of that list, please contact one of the following Vets: