a) Citizens of Portuguese nationality;
b) Citizens of nationality of a Member State of the European Union;
c) Family members of Portuguese or nationals of a member state of the European Union, regardless of their nationality, which include:
i. The spouse of a citizen of the European Union;
ii. The partner with whom a EU citizen lives in a non-marital partnership, formed in accordance with the law, or with whom the EU citizen has a durable relationship duly attested by the competent authority in the Member State where he or she lives;
iii. The direct descendant who is under the age of 21 or is dependant on a EU citizen, as well as that of the spouse or partner within the meaning of the previous subparagraph;
iv. The direct ascendant who is dependent on a EU citizen and his/her spouse or partner within the meaning of subparagraph (ii).
d) Those who, not being nationals of a member state of the European Union and not covered by the previous paragraph, have been legally living in Portugal for more than two years, uninterruptedly, on January 1st of the year in which they intend to apply, as well as their children legally living with them [note: the time of residence in Portugal that has elapsed with a residence permit for study is not taken into account for this period of 2 years];
e) To those who are beneficiaries, on January 1st of the year in which they intend to apply, of equal rights and duties status granted under an international treaty between the Portuguese State and the State of which they are nationals.