For all actual and necessary travel in the performance of official duties and while in attendance upon meetings and conferences, each educational service district superintendent and employee shall be reimbursed for their travel expenses in the amounts provided in RCW
43.03.050 and
43.03.060 as now existing or hereafter amended. All claims shall be approved by the educational service district board and paid from the funds budgeted by the district. Each educational service district superintendent and employee may be advanced sufficient sums to cover their anticipated expenses in accordance with rules and regulations promulgated by the state auditor and which shall substantially conform to the procedures provided in RCW
43.03.150 through
43.03.210.