Cal. Sts. & High. Code § 5898.23

For purposes of the report required pursuant to Section 5898.22, the statement of public agency policies required pursuant to subdivision (c) of that section shall also include a brief description of criteria for determining the underwriting requirements, and safeguards that will be used to ensure that the total annual property tax and assessments on the property will not exceed 5 percent of the property’s market value, as determined at the time of approval for the owner’s contractual assessment.