California Code, Family Code - FAM § 17504

(a) The first one hundred dollars ($100) of any amount of child support collected in a month for a family with one child, or the first two hundred dollars ($200) for a family with two or more children, in payment of the required support obligation for that month shall be paid to a recipient of aid under Article 2 (commencing with Section 11250) of Chapter 2 of Part 3 of Division 9 of the Welfare and Institutions Code, except recipients of foster care payments under Article 5 (commencing with Section 11400) of Chapter 2 of Part 3 of Division 9 of the Welfare and Institutions Code, and shall not be considered income or resources of the recipient family, and shall not be deducted from the amount of aid to which the family would otherwise be eligible.  The local child support agency in each county shall ensure that payments are made to recipients as required by this section.

(b) Notwithstanding the rulemaking provisions of the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code), the State Department of Social Services and the Department of Child Support Services may implement, interpret, or make specific this section by means of all-county letters or similar instructions from the department until regulations are adopted.  These all-county letters or similar written instructions shall have the same force and effect as regulations until the adoption of regulations.

(c) This section shall become operative on January 1, 2022, or when the State Department of Social Services and the Department of Child Support Services notify the Legislature that the Statewide Automated Welfare System and Child Support Enforcement System can perform the necessary automation to implement this section, whichever date is later.