N.Y. Comp. Codes R. & Regs. tit. 6, § 218-2.2
(a) Certification reporting.
For the purposes of determining compliance with this Part, the department may require any vehicle manufacturer subject to this Part to submit any documentation the department deems necessary to the effective administration and enforcement of this Part including all certification materials submitted to CARB.
(b) Offset vehicle reporting.
Commencing with the 1996 model-year, by March 1st of the calendar year succeeding the end of the model-year, each manufacturer shall report to the department the number of offset vehicles, broken down by model type, delivered for sale in New York during such model-year. Such report shall also include the total number of manufacturer's fleet delivered for sale in New York.