N.Y. Comp. Codes R. & Regs. tit. 16, § 85-2.11
(a) The parties to a certification proceeding shall include the applicant and such of the following as make timely application for participation:
(11) any domestic nonprofit corporation or association, formed in whole or in part:
(vi) to promote the orderly development of the areas in which the facility is proposed to be located.
(b)
(2) A person or organization listed in paragraphs (a)(9)-(11) of this section may participate in a certification proceeding by filing with the secretary a notice of intent to be a party within 30 days after the date given in the published notice as the date for filing of the application.
(c)