N.J. Stat. § App.A:3-17: Effect of act as contract; enforcement

4. The provisions of this act shall constitute a contract with the federal government and any subsequent purchasers or holders of such public works bonds and any municipality which shall have issued the same, and shall be enforceable by mandamus or other appropriate suit, action, or proceeding in any court of competent jurisdiction, which shall be brought by one or more holders of such public works bonds of such municipality for the benefit of all holders of such public works bonds of such municipality.

(L.1934, c. 252, s. 4, p. 714.)