Any agreement, whether written or oral, express or implied, for the payment of any money, compensation or thing of value as a fee for professional or other services rendered, as a brokerage commission, or as a "finder's" fee, or as any other kind of payment, which is dependent upon or contingent upon the approval of, or the making of, a loan by the authority, is hereby prohibited. At or prior to the closing of every loan the authority shall require proof of the absence of any violation of this rule.
N.Y. Comp. Codes R. & Regs. Tit. 21 § 350.1