Pursuant to policies and regulations promulgated by the office of financial management, an elected state officer or delegate or a state agency director or delegate may permit an employee to commute in a state-owned or leased vehicle if such travel is on official business, as determined in accordance with RCW
43.19.622, and is determined to be economical and advantageous to the state, or as part of a commute trip reduction program as required by RCW
70A.15.4100.