A member who was in public service before becoming a member may elect by written notice filed with the board to make contributions pursuant to Section 31641.2 and to receive credit in the retirement system for all allowed public service time. Credit for part-time service shall be calculated as provided in Section 31641.5.
Source:
Section 31641.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=31641.1..