§ 523. Saving clause. 1. Any urban renewal program commenced or
undertaken prior to the effective date of this article, in accordance
with and pursuant to, any provision of the general municipal law, or
other law in force immediately prior to the effective date of this
article, shall in no manner be impaired or affected by the enactment of
this article or the repeal of the applicable sections of the general
municipal law. As to such urban renewal programs so commenced or
undertaken, the provisions of any such law may be deemed continued
thereunder until the completion of such program or programs. Nothing
herein contained, however, shall prevent a municipality, having so
commenced or undertaken an urban renewal program prior to the effective
date of this article, from exercising any of the rights or powers
granted in this article in conjunction with or substitution of the
rights and powers of such municipality under any law in force
immediately prior to the effective date of this article, until the
completion of such program.

2. Any provision in any law, rule, regulation, resolution, contract or
other document relating to any right, power or duty of the state or of a
municipality and which applied at the time the state or municipality
exercised such power or right or performed such duty shall continue to
apply notwithstanding any provision to the contrary of this article.

3. An act of the legislature of the year nineteen hundred sixty-one
which in form amends or repeals or purports to amend or repeal any
provision or provisions of section seventy-two-k, seventy-two-l,
seventy-two-m, seventy-two-n, or seventy-two-o of the general municipal
law as in force at the time this act shall take effect shall be deemed
and construed as an amendment or repeal, as the case may be, of the
corresponding provision or provisions of such sections or law, as
contained in this article.

4. An act of the legislature of the year nineteen hundred sixty-one,
which adds or purports to add a new section, subdivision or other
provision of law to sections seventy-two-k, seventy-two-l,
seventy-two-m, seventy-two-n or seventy-two-o of the general municipal
law as in force at the time this act shall take effect shall be deemed
and construed as having been added to this act and shall be given full
effect according to its context as if the same had been added expressly
and in terms to this act and shall be deemed and construed to have been
inserted in this act in the appropriate position in regard to and as
modifying the effect of the corresponding provision or provisions of
this article.

5. Reference in any general, special or local law, county, city or
village charter or other special form of government, ordinance,
resolution, rule, regulation or document or in any act of the
legislature of the year nineteen hundred sixty-one to sections
seventy-two-k, seventy-two-l, seventy-two-m, seventy-two-n or
seventy-two-o of the general municipal law as in force at the time this
act shall take effect shall be deemed and construed to refer to the
corresponding provision of this article and shall be given full effect
according to its terms as thereof specifically referring to such
corresponding section or other provision of this article.