California Code, Government Code - GOV § 22875.5

(a) If the state has assumed from a public agency a function and the related personnel, service rendered by that personnel for compensation as employees or appointed or elective officers of that public agency may not be credited as state service for the purposes of Section 22874, 22874.1, 22874.2, 22874.3, or 22875unless both of the following apply:

(b) For noncontracting public agencies, the state agency that has assumed the function shall certify the completed years of public agency service to be credited to the employee as state service credit under Section 22874, 22874.1, 22874.2, 22874.3, or 22875.