§ 150-a. County legislative body, other than board of supervisors. 1.
All the functions, powers, obligations and duties which by law are
possessed by or vested in the board of supervisors of a county may be
exercised by an elected county legislative body, by whatsoever name
designated, which shall, pursuant to law, or order or judgement of a
court of competent jurisdiction, be established in place of the board of
supervisors of such county. All acts heretofore performed by such
elected county legislative body shall be valid if and to the extent that
they would have been valid if performed by the board of supervisors of
such county.

2. Whenever the board of supervisors of a county is referred to or
designated in any law, contract or document pertaining to any of the
functions, powers, obligations and duties of such board, such reference
or designation shall be deemed to include the elected county legislative
body, by whatsoever name designated which, pursuant to law, or order or
judgement of a court of competent jurisdiction, shall have been
established in place of the board of supervisors.