§ 2118. Expenses of school district officers. All school district officers, including trustees and members of boards of education, shall be entitled to be reimbursed for any expenses actually and necessarily incurred in the performance of their official duties. Mileage rates established for the use of personally owned cars in lieu of auditing and allowing claims for actual and necessary expenses of travel under the provisions of subdivision twenty-seven of section sixteen hundred four of this chapter, shall apply to claims under this section. This section shall not apply to district superintendents of schools.