CA Educ Code Section 22710

(a)

Service shall be credited under this part, upon payment of the contributions required under Sections 22901 and 22950, for that time during which a member is excused from performance of creditable service and for which the member receives workers’ compensation, or compensation from an insurance carrier of the employer, due to injury or illness that arose out of and in the course of the member’s employment. Service for that time shall be credited in the proportion that the creditable compensation paid to the member bears to the compensation earnable by the member.

(b)

The amount of creditable compensation paid to the member shall not exceed the compensation earnable by the member during the period of absence specified in subdivision (a).