Ind. Code § 16-37-2-12

Sec. 12. The local health officer shall prepare a certificate of birth for a child of unknown parentage. The place where the child was found or where custody was assumed shall be known as the place of birth and the date of birth shall be determined by approximation. If the child is identified or if a regular certificate of birth is found or obtained, the local health officer shall correct the health officer's records and file a corrected certificate of birth with the state department.