The City Civil Registrar of General Santos is aligned with the services of the Philippine Statistics Office and is mandated to provide civil registration services under the following laws:

Act No. 3753 or the Law on Registry of Civil Status approved on November 26, 1930

Republic Act No. 9048 or the act authorizing the city or municipal civil registrar or the consul general to correct a clerical or typographical error in an entry and/or change of first name or nickname in the civil register without need of a judicial order, amending for this purpose Articles 376 and 412 of the Civil Code of the Philippines approved on March 22, 2001

Republic Act No. 10172 or the act further authorizing the city or municipal civil registrar or the consul general to correct clerical or typographical errors in the day and month in the date of birth or sex of a person appearing in the civil register without need of a judicial order, amending for this purpose republic act numbered ninety forty-eight approved on August 15, 2012.

Republic Act No. 9255 or the act allowing illegitimate children to use the surname of their father, amending for the purpose Article 176 of Executive Order No. 209, Otherwise Known as the “Family Code of the Philippines”

As mandated by Republic Act No. 10625, the Civil Registrar General promulgates the Revised Implementing Rules and Regulations of Republic Act No. 9255 based on the Supreme Court Ruling in the case of “Grande vs . Antonio “, G.R. 206248 dated  February 18, 2014.