CA Gov't Code Section 21161

(a)

A partial disability retirement program is established by Section 21160 for state employees subject to Section 21159. The benefits paid under this program shall be paid pursuant to Sections 21159 and 21160 and shall not be considered compensation for purposes of Section 20630.

(b)

This section shall not apply to any job-related or job-incurred illness or injury that occurs on or after January 1, 2000.