The exemptions authorized by Real Property Tax Law § 458-a,
as in effect on the effective date hereof, shall be applicable in
the Village of Kensington with respect to assessments made by the
Village of Kensington and property taxes levied by the Village of
Kensington; provided, however, that the maximum exemption allowed
in § 458-a, Subdivision 2(a), (b) and (c), of the Real Property
Tax Law shall be $6,000, $4,000 and $20,000, respectively.