Upon the basis of the actuarial investigation and actuarial valuation pursuant to Section 22311.5, or any part thereof, the board shall adopt by plan amendment actuarial assumptions, rates, factors, and tables as the board determines are necessary for administration of the plan and its programs.
Source:
Section 22311.7, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=EDC§ionNum=22311.7..