As used in the Senior Citizens Reduced Tuition Act:
A. "department" means the higher education department;
B. "eligible institution" means any New Mexico post-secondary degree-granting educational institution;
C. "reduced tuition" means that tuition charged senior citizens at the rate of five dollars ($5.00) per credit hour, up to ten hours per semester; and
D. "senior citizen" means a person age sixty-five or older.