CA Gov't Code Section 11892

(a)

The department shall incrementally assume responsibility of the system functionality as portions of the system are implemented and accepted.

(b)

The department shall provide the administrative functions for the system, including those functions of the office, during its existence.

(c)

The office and the department shall exist concurrently during the phased implementation of the system. Upon full implementation and final acceptance of the system, the department shall supersede the office and perform all administration, maintenance, and operation of the system.