1524 - Validity of bonds; limitation on actions.

     § 1524.  Validity of bonds; limitation on actions.        (a)  Presumption.--Bonds reciting in substance that they have     been issued by the authority to accomplish the public purposes     of this chapter shall be conclusively deemed in any suit, action     or proceeding involving the validity or enforceability of the     bonds or their security to have been issued for the public     purposes of this chapter.        (b)  Estoppel.--After issuance, bonds shall be conclusively     presumed to be fully authorized and issued under the laws of     this Commonwealth, and any person shall be estopped from     questioning their validity, sale, execution or delivery by the     authority.