Cal. Gov. Code § 53206
Any law prohibiting, restricting, or limiting the assignment of or order for wages or salary does not prohibit, restrict, or limit the powers conferred in this article nor the power of officers or employees to authorize and approve payment of charges for health and welfare benefits.
The local agency may pay amounts derived from pay roll deductions permitted by Section 53202 of the Government Code and amounts derived from employer contributions pursuant to Section 53205 of the Government Code directly to the contracting insurers or service organizations, or to the trustees of a fund established to procure health and welfare benefits, or to such other recipients as the contracting insurers, service organizations, and the local agency may designate.
Ca. Gov. Code § 53206