Lisboa
Porto
Yes, as long as you expressly authorize that person to deal with the matter in question, by issuing an authorization duly dated, signed, and accompanied by a copy of your identification document.
The authorization must explicitly state the act that the representative is authorized to perform on behalf of the student or candidate (e.g. request or pick up a statement, certificate/certificate, degree/diploma, schedule an exam, register for a course unit, etc.).
The student has to send by email, through the email registered in the student's file, to the service in charge of the subject in question (siga@ulusofona.pt), the copy of the authorization. The representative must the original authorization.
