Article 4. Membership of California Government Code >> Division 4. >> Title 3. >> Part 3. >> Chapter 4. >> Article 4.

The system established under this chapter or its predecessor is exclusive, and persons entitled to membership in this system shall not participate in any other system provided for officers or employees of a county or judicial district.

Except as provided in this article, all county peace officers shall be included in and be subject to this chapter on the first day of the calendar month following the expiration of 30 days after it becomes operative in any county, or on the first day of the calendar month following the expiration of 30 days after their entrance into the service, whichever is later.

Any county peace officer may elect to be excluded from this chapter at any time within 30 days after it becomes operative in any county as to his position, or within 30 days after his entrance into the service, upon his written election to be so excluded. Any employee who elects to be excluded shall not thereafter be included in or participate in this system.

In any county in which the predecessor of this chapter has become operative prior to August 4, 1943, the persons employed in positions included in the definition of "county peace officers" by subdivision (b) of Section 31904 shall become members of the system on the first day of the calendar month following the expiration of 30 days after the board of supervisors has adopted by a four-fifths (4/5) vote a resolution providing for the inclusion of such positions in the system. Thereafter each person employed in any position included in that definition shall become a member on the first day of the calendar month following the expiration of 30 days after he is so employed.

Any person who is eligible to participate in this system and who is a member of or participant in, or is eligible for membership or participation in, any other pension system provided by law for officers or employees of a county or judicial district may elect to become a member of this system, except as provided in Section 31982. Upon his election to participate in this system he is ineligible for membership or participation in any other retirement or pension system for officers or employees of a county or judicial district.

In any county in which the predecessor of this chapter has become operative prior to the effective date of this chapter, the persons employed in positions included in the definition of "county peace officers" by Section 30904.5 shall become members of the system on the first day of the calendar month following the expiration of 30 days after the board of supervisors has adopted by a four-fifths (4/5) vote a resolution providing for the inclusion of such positions in the system. Thereafter each person employed in any position included in that definition shall become a member on the first day of the calendar month following the expiration of 30 days after he is so employed.