Section 18.50.170 - Foundling registration(a) The person who assumes the custody of a living infant of unknown parentage shall within seven days report the information prescribed by the state registrar on a form and in the manner prescribed by the state registrar to the local registrar of the registration district in which the child was found.(b) The place where the child was found shall be entered as the place of birth and the date of birth shall be determined by approximation.(c) A report registered under this section constitutes the certificate of birth for the infant.(d) If the child is identified and a certificate of birth is found or obtained, a report registered under this section shall be sealed and filed in accordance with instructions of the state registrar, and may be opened only by order of a superior court or as provided by regulation.