“Plan year” means the period of time beginning on July 1 of one calendar year and ending on June 30 of the following calendar year. For purposes of the Defined Benefit Supplement Program, the board shall designate by plan amendment the initial plan year.
Source:
Section 22156.05, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=EDC§ionNum=22156.05..