Cal. Welf. and Inst. Code § 16120.05
The adoption assistance agreement shall, at a minimum, specify the amount and duration of assistance, and that the amount is subject to any applicable increases pursuant to the cost-of-living adjustments established by statute. The date for reassessment of the child's needs shall be set at the time of the initial negotiation of the adoption assistance agreement, and shall, thereafter be set at each subsequent reassessment. The interval between any reassessments may not exceed two years.
The adoption assistance agreement shall also specify the responsibility of the adopting family for reporting changes in circumstances that might negatively affect their ability to provide for the identified needs of the child.
Ca. Welf. and Inst. Code § 16120.05