N.Y. Comp. Codes R. & Regs. tit. 6, § 617.14
(c) Agencies may find it helpful to seek the advice and assistance of other agencies, groups and persons on SEQR matters, including the following:
(g) A local agency may designate a specific geographic area within its boundaries as a critical environmental area (CEA). A state agency may also designate as a CEA a specific geographic area that is owned or managed by the state or is under its regulatory authority. Designation of a CEA must be preceded by written public notice and a public hearing. The public notice must identify the boundaries and the specific environmental characteristics of the area warranting CEA designation.
(1) To be designated as a CEA, an area must have an exceptional or unique character covering one or more of the following:
(2) Notification that an area has been designated as a CEA must include a map at an appropriate scale to readily locate the boundaries of the CEA, the written justification supporting the designation, and proof of public hearing and, must be filed with: