California Code, Government Code - GOV § 19050.9

Whenever a function or the administration of a law is transferred from one state agency to another state agency, all persons serving in the state civil service and engaged in the performance of the function or the administration of the law shall be transferred to that agency.  The status, positions, and rights of those persons shall be retained by them pursuant to this part and the State Civil Service Act.  A state agency is not required to retain any unnecessary officers or employees.

“State agency” includes all departments, boards, offices, authorities, commissions, and other agencies of state government.

The board may provide by rule for the administration of this section.