California Code, Family Code - FAM § 3752

(a) If the local child support agency has been designated as the assigned payee for child support, the court shall order the parent to notify the local child support agency upon applying for and obtaining health insurance coverage for the child within a reasonable period of time.

(b) The local child support agency shall obtain a completed medical form from the parent in accordance with Section 17422 and shall forward the completed form to the State Department of Health Services.

(c) In those cases where the local child support agency is providing medical support enforcement services, the local child support agency shall provide the parent or person having custody of the child with information pertaining to the health insurance policy that has been secured for the child.