The department may adopt rules and procedures as necessary or appropriate to implement the provisions of the Senior Citizens Reduced Tuition Act; provided that senior citizens enrolled at reduced tuition shall be allowed to enroll in classes only on a space-available basis and that no full-time equivalent credit shall be given to the eligible institutions for the attendance of senior citizens in classes under the provisions of the Senior Citizens Reduced Tuition Act. A financial aid officer may exercise professional judgment when special circumstances exist to adjust cost of attendance or expected family contribution or to modify other factors that make the program responsive to a student’s special financial circumstances and for which documentation exists in the student’s file within the parameters authorized for this program.