N.Y. Comp. Codes R. & Regs. tit. 20, § 75.2
(2) The informational return must be filed on or before the 20th day of March, June, September and December for the quarterly periods ending on the last day of February, May, August and November of each year, respectively, and must reflect the wholesale dealer's New York State activities for the preceding quarter, or fraction thereof. The return must show, in addition to any other information the department may require:
Tax Law, § 475
(a)