Malaysia legislation
Section 13A
Section 13A
Surname of child
The surname, if any, to be entered in respect of a legitimate child shall ordinarily be the surname, if any, of the father.
(2)
The surname, if any, to be entered in respect of an illegitimate child may where the mother is the informant and volunteers the information, be the surname of the mother; provided that where the person acknowledging himself to be the father of the child in accordance with section 13 requests so, the surname may be the surname of that person.
Certificate of birth