2005 California Government Code Sections 22960.55 CHAPTER 5. ELIGIBILITY

22960.55.  (a) Any person who is an eligible employee on the
effective date of the plan, as set forth in the memorandum of
understanding, shall become a participant on the effective date of
the plan.
   (b) Any person who becomes an eligible employee after the
effective date of the plan shall become a participant on the first
day of covered employment.