Cal. Health & Safety Code § 50562
(a) If a department loan is extended, subordinated, or paid off before the end of its term, the department approves the reinstatement of a qualifying unpaid matured loan, the department approves the extraction of equity from a development, or a new tax credit investment occurs, then the department shall enter into a new regulatory agreement with the development’s owner, or amend the existing agreement, and may add another regulatory agreement if the department determines it necessary. The agreement shall be binding upon the development’s owner and successors in interest upon sale or transfer of the development property, regardless of any prepayment of the loan. The agreement shall be recorded in the office of the county recorder in the county in which the development is located. The new or amended regulatory agreement shall:
(3) Restrict rents for assisted units, consistent with this chapter, and require reports to confirm all of the following: