California Code, Education Code - EDC § 24118

(a) Upon termination of a disability retirement allowance that was payable pursuant to this chapter, the individual account of the member under this part shall be credited with the amount of the member's accumulated retirement contributions as they were on the effective date of disability retirement, less the sum of all payments made under subdivisions (a) and (b) of Section 24106. The reduction shall not be greater than the total of the accumulated retirement contributions.

(b) Upon the termination of a disability retirement, the accumulated annuity deposit contribution account of the member shall be credited with the amounts of those contributions as they were on the date the annuity became payable under this part because of that retirement less the sum of all payments made pursuant to subdivision (c) of Section 24106.