Section 24921 Of Article 2. Administration Of The Plan From California Education Code >> Division 1. >> Title 1. >> Part 13. >> Chapter 35. >> Article 2.

. Any plan shall not be adopted or established until the governing boards, after any inquiry and hearing they may direct, find that the respective contributions of the teachers and other employees and the districts provided for in the plan, are substantially in accordance with the more recent generally prevailing rates of contributions in public institutions that have established retirement systems, and that the plan is in accordance with sound business practice and with recognized actuarial methods.