The directors shall receive no compensation for their services as such, but each shall be allowed reasonable and necessary expenses incurred in attendance at meetings of the directors or when otherwise engaged in the work of the district at the direction of the board of directors. The directors shall fix the amount allowed for necessary expenses, but no director shall be appointed to any position for which he or she would receive compensation as a salaried officer or employee of the district. Reimbursement for these expenses is subject to Sections 53232.2 and 53232.3 of the Government Code.