Statement of the maternal surname.
Section 28
SEC. 28. Statement of the maternal surname. — In cases where there are two or more candidates for an office with the same name and surname, each shall state in his certificate of candidacy, in addition to his name, his paternal and maternal surnames, with the exception of the first one of them to hold an elective office, who may continue to use the name and the surname stated in his certificate of candidacy when he was elected.