Special Programs Drivers. Selection of special program drivers will be made on the basis of seniority according to one's qualifications for the position. Drivers will be given an opportunity no less than once a year to indicate an interest in being appointed a special program driver. Selection decisions made by the district relating to an individual's qualifications for a position shall not be subject to arbitration. Drivers not chosen for special program positions will, upon request to the Transportation supervisor(s), be provided with an explanation of the selection decisions.