N.Y. Comp. Codes R. & Regs. tit. 8, § 210.6
(b) In the case of a business, eligibility for this payment is contingent upon the State's determination that:
(2) is not part of a commercial enterprise having at least one other establishment which is not being acquired by the State or the United States and which is engaged in the same or a similar business.
The term “patronage” as used herein means the average dollar volume of business transacted during the two taxable years immediately preceding the year in which the business is displaced, or the projection for the next two years of the average dollar volume of business at the new location of the displaced business.