No adjunct organization, including, but not limited to, booster groups, of a state university, community college or institution of higher learning shall enter into a contract on behalf of, or purchase membership for, an employee of such university, college or institution of higher learning to a club that denies to a person entry, use of facilities or membership, or unreasonably prevents the full enjoyment of such club on the basis of sex, race, creed, color, religion, ancestry, national origin or disability.