§ 19-a. Prohibition against unreasonable withholding of consent. 1. No corporation formed for the purpose of the cooperative ownership of real estate within the state shall withhold its consent to the sale or proposed sale of certificates of stock or other evidence of ownership of an interest in such corporation because of the race, creed, national origin, or sex of the purchaser.
2. For the purposes of this section a "corporation" shall include the cooperative management, cooperative tenants, cooperative shareholders, or any appointee or successor in interest of a corporation.
3. This section shall apply to every sale or proposed sale whether by a corporation directly, its successor in interest, or by any other lawfully entitled party.
4. Every agreement, negative covenant, restrictive covenant or other provision, whether written or oral and wherever contained, inconsistent with this section shall be void and unenforceable.