N.Y. Comp. Codes R. & Regs. tit. 1 § 22.3
Marketing area means all of the territory within the boundaries of the City of New York, and the counties and parts of counties set forth below together with all piers, docks, and wharves connected therewith, and all craft moored thereat, and including territory within such boundaries which is occupied by government (municipal, State, Federal or international) reservations, installations, institutions or other establishments.
New York Counties: Albany; Broome; Cayuga (except the townships of Sterling, Victory, Conquest, and Montezuma); Chemung; Chenango; Columbia; Cortland; Delaware; Dutchess; Essex (Schroon, Ticonderoga, Crown Point, and Moriah townships only); Fulton (except the township of Stratford); Greene, Herkimer (except the townships of Webb, Ohio, and Salisbury); Madison; Montgomery; Nassau; Oneida (except the townships of Ava, Boonville, Forestport, and Florence); Onondaga; Orange; Oswego (except the townships of Redfield and Boylston); Otsego; Putnam; Rensselaer; Rockland; Saratoga (except the townships of Day, Edinburg, and Providence); Schenectady; Schoharie; Schuyler; Steuben (Addison, Corning and Erwin townships only); Suffolk (except Fisher's Island); Sullivan; Tioga; Tompkins; Ulster; Warren (except the townships of Johnsburg, Thurman, and Stony Creek); Washington; Westchester; Yates (except the townships of Italy, Middlesex, and Potter).
N.Y. Comp. Codes R. & Regs. Tit. 1 § 22.3