The governing board of a community college district shall provide for the payment of the actual and necessary expenses, including traveling expenses, of any employee of the district incurred in the course of performing services for the district, whether within or outside the district, under the direction of the governing board. The board may authorize an advance of funds to cover such necessary expense. Such advance shall be repaid or adjusted upon filing of a regular claim for the actual and necessary expenses incurred. The governing board may direct any employee of the district to attend any convention or conference or to visit schools for the discussion or observation of any school matter appertaining to the duties of the employee or any question of interest to the district.