Last Name / Born Before August 3, 1988 / Acknowledged by both parent

If acknowledged by both parents

A child acknowledged by both parents shall use the surname of the father.

The last name of the mother shall be the middle of the child.

Who Shall File

  • The child, if of age
  • Mother
  • Father

Where to File

  • Civil registry office where the birth of the child is registered.
  • If born abroad with the Consul of the Philippine Embassy where the child is born.
  • In cases of children born abroad, the birth certificate, shall be annotated by the PSA.

Supporting Documents

  1. Authentic writing
  2. Other supporting documents that would prove the paternity of the father over the child