Proceedings relating to certain bonds sold, etc., to Federal Government validated.

All proceedings heretofore taken in connection with the authorization or issuance of any issue of bonds, all or a part of which have heretofore been purchased by the United States through the Federal Emergency Administrator of Public Works, or an agreement for the purchase of all or a part of which has heretofore been entered into by the United States through the Federal Emergency Administrator of Public Works, issued or to be issued for the purpose of financing or aiding in the financing of any work, undertaking or project by any public body are validated, ratified, approved and confirmed notwithstanding any lack of power of such public body, or the governing board, council, commission or officers thereof, to authorize such bonds, or to execute the same, and notwithstanding any defects or irregularities in such proceedings or in such sale, execution or delivery, and all bonds heretofore or hereafter issued pursuant to such proceedings shall constitute binding, legal, valid, and enforceable obligations of such public body.