After the issuance of any bonds or notes in reliance on any debt statement issued by the County, the accuracy and sufficiency of such debt statement shall not be contested by any suit, action or proceeding relating to the validity of such bonds or notes and such bonds or notes shall be presumed to be within all debt or other limitations prescribed by any law of this State.

9 Del. C. 1953, § ?4658; 56 Del. Laws, c. 103, § ?13;