California Code, Health and Safety Code - HSC § 38000

(a) Contract approval process should take no longer than 30 days from the time the administrative agency generating the contract has approved its provisions.

(b) Payment for services rendered shall take no longer than 30 days after an invoice has been approved by the responsible department.

(c) If contract approval or payment or both are delayed, the state shall notify community based agencies within 15 days with instructions to either defer or interrupt services to be contracted. If the state requests an agency to continue providing services, conditions shall be mutually agreed upon in advance for amortization of particular additional costs to the agency involved.