"On (date) the (name of municipality) awarded a contract to (name of party) pursuant to section one hundred twenty-w of the general municipal law for the (purpose of contract). The validity of this contract or the procedures which led to its award may be hereafter contested only by action, suit or proceeding commenced within sixty days after the date of this notice and only upon the ground or grounds that:
(1) such award or procedure was not authorized pursuant to that section, or (2) any of the provisions of that section which should be complied with at the date of this publication have not been substantially complied with, or (3) a conflict of interest can be shown in the manner in which the contract was awarded; or by action, suit or proceeding commenced on the grounds that such contract was awarded in violation of the provisions of the Constitution.
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Clerk or other official or person designated by the municipality"
N.Y. Gen. Mun. Law § 120-W