Real property owned by a corporation or association
which is organized exclusively for bible, tract, benevolent, missionary,
infirmary, public playground, scientific, literary, bar association,
medical society, or for two or more such purposes, and used exclusively
for carrying out there upon one or more of such purposes either by
the owning corporation or association, or by another corporation or
association, shall be taxable pursuant to the provisions of § 420-b
of the Real Property Tax Law.
This article shall take effect on the taxable
status date next succeeding the date of its adoption.