N.Y. Comp. Codes R. & Regs. tit. 5, § 10.4
(b) An area shall be eligible for designation if it includes a United States census tract or tracts or block-numbering area or areas, or portions thereof, each full census tract or portion of a block- numbering area of which, according to the most recent census data available, has:
(d) Any county may apply for designation of an area within a municipality as an empire zone if:
(3) the county does not contain a census tract or tracts, portion of a block-numbering area, or a city, town or village which, according to the most recent census data available, has:
(e) Each zone designated under subdivision (d) of this section must be wholly contained within up to six distinct and separate contiguous areas; or, in the case of a zone located in more than one county, up to 12 distinct and separate contiguous areas; provided, however, that empire zones designated prior to April 1, 2005 shall identify such distinct and separate contiguous areas, which shall equal up to their total allotted acreage at the time of designation, by January 1, 2006. A zone created pursuant to this subdivision shall apply to have up to three separate and distinct contiguous areas designated as investment zones under subdivisions (b) and (h) of this section; provided that:
(f) Notwithstanding the provisions of subdivision (b) or (d) of this section, any county may apply for designation of an area within a municipality as an empire zone provided that the following requirements are met:
(6) at the time of application, the municipality contains: provided, however, that no more than one-third of the zones designated shall be based on applications filed pursuant to this paragraph.
(g) Each zone designated under subdivision (f) of this section must be wholly contained within up to six distinct and separate contiguous areas; or, in the case of a zone located more than one county, up to 12 distinct and separate contiguous areas; provided, however, that empire zones designated prior to April 1, 2005 shall identify such distinct and separate contiguous areas, which shall equal up to their total allotted acreage at the time of designation, by January 1, 2006. A zone created pursuant to this subdivision shall apply to have up to three separate and distinct contiguous areas designated as investment zones under subdivisions (b) and (h) of this section; provided that:
(h) An area shall be eligible for designation if it includes a United States census tract or tracts or block numbering area or areas or portions thereof, each full census tract or portion of a block numbering area of which according to the most recent census data available has:
(l) Any zone designated pursuant to subdivisions (b), (d), (f) and (h) of this section may apply to the commissioner to add one additional distinct and separate contiguous area, upon demonstration that the distinct and separate contiguous areas created pursuant to subdivisions (c), (e), (g) and (i) of this section:
(3) lack sufficient acreage for further economic development.
Provided, however, such additional distinct and separate contiguous area shall not result in an empire zone that exceeds 1,280 acres.