Such designation shall be made and a list of all such environmental zones shall be established by the commissioner of labor based on the two thousand nine through two thousand thirteen American Community Survey estimate. Upon request of the commissioner of environmental conservation, the commissioner of labor shall update such designation based on the most recent American Community Survey, or its successor.
The determination of whether a site is located in an environmental zone shall be based on the date the department of environmental conservation issued a notice to the taxpayer that its request for participation in the brownfield cleanup program has been deemed complete pursuant to subdivision three of section 27-1407 of the environmental conservation law.
N.Y. Tax Law § 21