N.Y. Arts and Cultural Affairs Law § 12.01
1. Notwithstanding any custom, practice or usage of the trade, any provision of the uniform commercial code or any other law, statute, requirement or rule, or any agreement, note, memorandum or writing to the contrary:
(a) Whenever an artist or craftsperson, or a successor in interest of such artist or craftsperson, delivers or causes to be delivered a work of fine art, craft or a print of such artist's or craftsperson's own creation to an art merchant for the purpose of exhibition and/or sale on a commission, fee or other basis of compensation, the delivery to and acceptance thereof by the art merchant establishes a consignor/consignee relationship as between such artist or craftsperson, or the successor in interest of such artist or craftsperson, and such art merchant with respect to the said work, and:
(b) Waiver of any provision of this section is absolutely void except that a consignor may lawfully waive the provisions of clause (iii) of paragraph (a) of this subdivision, if such waiver is clear, conspicuous, in writing, in words which clearly and specifically apprise the consignor that the consignor is waiving rights under this section with respect to proceeds from the sale of the consignor's work, and subscribed by the consignor, provided: