Article 184Family Code, Art. 184

The following persons may not adopt: (1) The guardian with respect to the ward prior to the approval of the final accounts rendered upon the termination of their guardianship relation; (2) Any person who has been convicted of a crime involving moral turpitude; (3) An alien, except:(a) A former Filipino citizen who seeks to adopt a relative by consanguinity; (b) One who seeks to adopt the legitimate child of his or her Filipino spouse; or (c) One who is married to a Filipino citizen and seeks to adopt jointly with his or her spouse a relative by consanguinity of the latter. Aliens not included in the foregoing exceptions may adopt Filipino children in accordance with the rules on inter-country adoptions as may be provided by law. (28a, EO 91 and PD 603)