California Code, Health and Safety Code - HSC § 50608

(a) For any loans issued pursuant to this chapter, principal and accumulated interest is due and payable upon completion of the term of the loan. The loan shall bear simple interest at the rate of 3 percent per annum on the unpaid principal balance. The department shall require annual loan payments in the minimum amount necessary to cover the costs of project monitoring. For the first 30 years of the loan term, the amount of the required loan payments shall not exceed 0.42 percent per annum.The department may, in its sole discretion, require a monitoring fee as authorized in Section 50607 in lieu of the required loan payment for a portion of or the full term of the loan.

(b) All moneys received by the department in repayment of loans made pursuant to this chapter, including interest and payments in advance in lieu of future interest, shall be deposited in the Housing Rehabilitation Loan Fund established by Section 50661. Moneys deposited in that fund pursuant to this subdivision shall be used for purposes of the Multifamily Housing Program (Chapter 6.7 (commencing with Section 50675)).

(c) The department may establish maximum loan-to-value requirements for some or all of the types of projects that are eligible for funding under this chapter.

(d) The department shall establish per-unit and per-project loan limits for all project types.