"Public service," with respect to a local member who is a full-time employee, also means any time on or after January 1, 1981, but not to exceed 12 months, during which the local member is laid off. In the event the member becomes subject to membership through employment in another member classification during the layoff period, any service credit accumulated through and contributions associated with the intervening employment shall be revoked upon election by the member to purchase public service credit as provided by this section. The service credit provided by this section shall not exceed one year for each layoff period and shall be provided to any person who:
This section shall not apply to any contracting agency nor to the employees of a contracting agency until the agency elects to be subject to this section by contract or by amendment to its contract made in the manner prescribed for approval of contracts.
Ca. Gov. Code § 21022