CA Gov't Code Section 21024.5

(a)

“Public service” with respect to a member who is a local firefighter also means time served, before becoming a member, as a permanent career civilian federal firefighter or permanent career state firefighter in a position whose principal duties consist of active fire suppression or law enforcement and that service was terminated as a direct consequence of the closure, downsizing, or realignment of a federal military installation.

(b)

This section shall not apply to any contracting agency nor to the employees of any 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.