Cal. Mil. & Vet. Code § 987.875
Notwithstanding Section 987.87 or any other provision of law, the department shall report to the California Veterans Board and the Veterans' Finance Committee of 1943, regarding the recommended rate of interest payable upon the amount remaining unpaid under any veteran's purchase contract executed on or after January 1, 1999. The department, from time to time, shall establish and may modify, subject to the approval of the board and the committee, the actual rates to be paid, which may be fixed interest rates or variable interest rates, or the methodology and timing for determining or modifying the actual interest rates to be paid, which methodology may produce fixed interest rates or variable interest rates on purchase contracts executed on or after January 1, 1999. The interest rates need not be uniform for all the purchase contracts. The interest rates shall be determined by the department in accordance with guidelines established by the board and the committee.
Ca. Mil. and Vet. Code § 987.875