California Code, Welfare and Institutions Code - WIC § 18245

(1) Assigned the child's right to collect child support to the state.

(2) Established paternity, obtained a child support order, and is using the services available under the state plan approved under Part D (commencing with Section 651) of Chapter 7 of Title 42 of the United States Code.

(3) Opted to participate in the child assurance program in lieu of cash assistance under Chapter 2 (commencing with Section 11200) or its successor program.

(b)(1) Except as provided in paragraph (2), as a condition of receiving a child support assurance payment under this article, a custodial parent shall also be required to do both of the following:

(2) A custodial parent shall not be required to comply with paragraph (1) when compliance would make it more difficult for a domestic violence victim to escape physical abuse or when cooperation would increase the risk of further violence or unfairly penalize the victim.

(1) The child resides in the county.

(2) The child has a noncustodial parent living in the United States, or if not living in the United States, is subject to service of process by a state or territory of the United States.

(3) The child is under 18 years of age or, if enrolled in high school, under 19 years of age.

(4) The custodial parent is employed.