For the purposes of this article, the following
terms shall have the meanings indicated:
HOUSING DEVELOPMENT
A housing development, as defined in §
42 of the Private Housing Finance Law of the State of New York, subject to a mortgage, the loan for which was made or financed by notes, bonds or other obligations of the New York State Housing Finance Agency, the interest on which is exempt from taxation pursuant to the Internal Revenue Code of 1954, as amended.
Any new or rehabilitated housing development
shall be exempt from taxation as provided herein. This exemption shall
apply only to housing developments constructed or rehabilitated after
the effective date of this article.