Welf. & Inst. Code, § 18966

(a) When a county board of supervisors designates a commission pursuant to Section 18965, the board of supervisors shall establish a county children’s trust fund. The children’s trust fund shall consist of the fees for birth certificates, collected pursuant to Section 103625 of the Health and Safety Code, grants, gifts, or bequests from private sources to be used for child abuse and neglect prevention and intervention programs, any funds appropriated by local governmental entities to the trust fund, and any funds appropriated to the county for the trust fund by the Legislature. The local registrar or county recorder may, however, retain a percentage, not to exceed 10 percent, of the surcharge collectible pursuant to subdivision (b) of Section 103625 of the Health and Safety Code, in order to defray the costs of collection.

(b) (1) The county treasurer shall transmit moneys collected from birth certificate fees for the county children’s trust fund, pursuant to subdivision (b) of Section 103625 of the Health and Safety Code, collected with respect to the birth certificate of a child whose mother was a resident of another county at the time of the birth to the treasurer of the county of the mother’s residence at the time of the birth if the county to receive the funds has established a program pursuant to this article.

(2) Paragraph (1) applies only to the collection and payment of the four-dollar ($4) fee to the county children’s trust fund, pursuant to subdivision (b) of Section 103625 of the Health and Safety Code, and does not apply to the collection and payment of the two-dollar ($2) fee to the Umbilical Cord Blood Collection Program Fund or any other assessment authorized by statute and levied by a local jurisdiction.