Through the dormitory residence plan, the advance payment contract shall provide prepaid housing fees for a maximum of eight (8) semesters of full-time undergraduate enrollment in an institution of higher education. Dormitory residence plans are optional and may be purchased only in conjunction with a prepaid tuition plan. Dormitory residence plans shall be purchased in increments of two (2) semesters. Beneficiaries shall bear the cost of any additional elective charges such as laundry service or long-distance telephone service. Each institution of higher education may specify the residence halls eligible for inclusion in the plan. In addition, any institution of higher education may request immediate termination of a dormitory contract based on a violation or multiple violations of rules of the residence hall. Beneficiaries shall have the highest priority in the assignment of housing with institutions of higher education residence halls. In the event that sufficient housing is not available for all beneficiaries, the board shall refund the purchaser or beneficiary an amount equal to the fees charged for dormitory residence during that semester.