N.Y. Real Property Tax Law § 485-Q
2.
(a)
(b) No such exemption shall be granted unless:
9.
11. Notwithstanding subdivision two of this section, where a city with a population of not less than thirteen thousand five hundred and not more than fourteen thousand, determined in accordance with the latest decennial census, adopts restricted exemptions pursuant to subdivision ten of this section, the local law may provide that such exemptions shall be computed pursuant to the following accelerated strategic exemption schedule: Year of exemption Percentage of exemption 1 50 2 45 3 40 4 35 5 30 6 25 7 20 8 15 9 10 10 5 Provided however, that such local law shall: