The authority may pledge any of its revenues or funds to the payment of its bonds, subject only to prior agreement with the holders of particular bonds which may have pledged specific money or revenue. Bonds may be secured by a pledge of any loan obligation owned by the authority, any grant, contribution, or guaranty from the United States, the State, or a corporation, association, institution or person, other property or assets of the authority, or a pledge of any money, income, or revenue of the authority from any source.
S.C. Code § 11-40-100