N.J. Stat. Ann. § 18A:24-61.12

The power to authorize and issue refunding bonds pursuant to this chapter and the validity of such refunding bonds so issued shall not be affected by or be dependent in any way upon the requirements of any other law or the validity or regularity of any proceedings pursuant to or under which any refunded bonds were authorized and issued, and shall be independent of the power to make, do or undertake any school district purpose, improvement or project and shall not be dependent upon or affected by the validity or regularity of any school district purpose, improvement or project or the authorization therefor, for the financing of which such refunded bonds were issued or refunding bonds are to be issued.