Section 28892 Of Article 2. Benefits And Contributions From California Public Utilities Code >> Division 10. >> Part 2. >> Chapter 5. >> Article 2.

. The board shall provide that both the district and the members shall contribute to the retirement system. The rate of contribution by an officer or employee of the district becoming a member of the retirement system shall be so fixed as to provide, with accumulated interest and based on tables and assumptions adopted by the board, substantially one-half the value of any retirement allowance granted for service, exclusive of any credits allowed for prior service.