The director of financial management shall adopt the necessary policies and procedures to implement RCW
42.16.010 through
42.16.017, including the establishment of paydates. Such paydates shall conform to RCW
42.16.010. The director of financial management shall have approval over all agency and state payroll systems and shall determine the payroll systems to be used by state agencies to ensure the implementation of RCW
42.16.010 and
41.04.232: PROVIDED, That for purposes of the central personnel payroll system, the provisions of RCW
41.07.020 shall apply.