The unauthorized or unlawful use of another person's surname gives a right of action to the latter.
Civil Code · Book I: Persons · Title XIII: Use of Surnames
Current text, as of October 24, 2026
The unauthorized or unlawful use of another person's surname gives a right of action to the latter.
Consolidated by Alleba from the text of Republic Act No. 386 (Lawphil and the Supreme Court E-Library). Book I provisions on marriage, family relations and parental authority were repealed by the Family Code (Executive Order No. 209, 1987) and are shown for reference only. For information and research only, and not legal advice. For certified copies, refer to the Official Gazette or the issuing agency.