Section 22158 Of Chapter 2. Definitions From California Education Code >> Division 1. >> Title 1. >> Part 13. >> Chapter 2.

. (a) "Projected service" means the sum of credited service plus the credited service that would have been earned for the school years during which a disability allowance was payable if the member had performed creditable service during that time.
  (b) Projected service for a school year shall be determined on the basis of the highest credited service earned by the member during any one of the three school years immediately preceding the member's death or the date the disability allowance began to accrue.
  (c) Projected service shall not include credited service for which contributions have been credited to the Defined Benefit Supplement Program.