For EU applicants proof of TIN proof of NISS if you have already been assigned a number (not a priority, since you can ask for it later) certificate of residence of the parish counsil (câmara municipal) of the area of residence EU citizen certificate For candidates outside the EU: proof of TIN proof of NISS if you have already been assigned a number (not a priority, since you can ask for it later)   certificate of residence of the parish counsil (câmara municipal) of the area of residence passport visa entry stamp for Portugal or the schengen area expression of interest or title of residence