If, after the adoption of this article by a county, a member is permitted by other sections of this act to obtain credit for service by making contributions into this system for previous service, that part of such contributions applicable to the period of time after the adoption of this article by the county shall be modified in accordance with Section 31812.
Source:
Section 31816.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=31816.1..