N.Y. Comp. Codes R. & Regs. tit. 5, § 280.4
(a) To be eligible for a tax credit for the restaurant return-to-work credit or additional restaurant return-to-work credit, an applicant must:
(3) have experienced economic harm as a result of the COVID-19 emergency as evidenced by a year-to-year decrease of at least 40 percent in New York State between the second quarter of 2019 and the second quarter of 2020 or the third quarter of 2019 and the third quarter of 2020 for one or both of: