N.J. Stat. § 58:14-34.15
After the taking effect of a bond resolution, the commissioners may cause to be published in a newspaper of general circulation published in the city of Newark the title of said bond resolution together with a notice stating the date of its adoption and also the date of the first publication of such notice and also that any action or proceeding of any kind or nature in any court questioning the validity of the creation and establishment of the commissioners, or the validity or proper authorization of the bonds provided for by said bond resolution, or the validity of this act or of any obligations, covenants, agreements or contracts provided for by this act or said bond resolution shall be commenced within twenty days after the first publication of such notice. If no such action or proceeding shall be commenced or instituted within twenty days after the first publication of such notice, then all contracting municipalities and residents and taxpayers and owners of property therein and all other persons whatsoever shall be forever barred and foreclosed from instituting or commencing any action or proceeding in any court, and from pleading in any action or proceeding any defense, questioning the validity of the creation and establishment of the commissioners, the validity or proper authorization of such bonds, or the validity of this act or of any such obligations, covenants, agreements or contracts, and all such bonds, obligations, covenants, agreements and contracts shall be conclusively deemed to be valid and binding obligations in accordance with their terms and tenor.
N.J.S. § 58:14-34.15