Articles 407-413 of the Civil Code of the Philippines
Title XV- CIVIL REGISTER Art. 407. Acts, events and judicial decrees concerning the civil status of persons shall be recorded in the civil register. (325a) Art. 408. The following shall be entered in the civil register: (1) Births; (2) marriages; (3) deaths; (4) legal separations; (5) annulments of marriage; (6) judgments declaring marriages void from the beginning; (7) legitimations; (8) adoptions; (9) acknowledgments of natural children; (10) naturalization; (11) loss, or (12) recovery of citizenship; (13) civil interdiction; (14) judicial determination of filiation; (15) voluntary emancipation of a minor; and (16) changes of name. (326a) Art. 409. In cases of legal separation, adoption, naturalization and other judicial orders mentioned in the preceding article, it shall be the duty of the clerk of the court which issued the decree to ascertain whether the same has been registered, and if this has not been done, to send a copy of said decree ...