A. The Authority is hereby authorized to provide by resolution for the issuance of revenue refunding bonds of the Authority for the purpose of refunding any bonds then outstanding which shall have been issued under the provisions of this act including the payment of any redemption premium thereon and any interest accrued or to accrue to the date of redemption of such bonds, and, if the Authority shall so determine, for the additional purpose of constructing improvements, extensions, or enlargements of the project or projects in connection with which the bonds to be refunded shall have been issued. The Authority is further authorized to provide for the issuance of its revenue bonds for the combined purpose of:

The issuance of such bonds, the maturities and other details thereof, the rights of the holders thereof, and the rights, duties, and obligations of the Authority in respect of the same, shall be governed by the provisions of this act insofar as the same may be applicable.

B. Bonds may be issued by the Authority under the provisions of this section at any time prior to the maturity or maturities of the date selected for the redemption of the bonds being refunded thereby. Pending the application of the proceeds of such refunding bonds, with any other available funds, to the payment of the principal, accrued interest, and any redemption premium of the bonds being refunded, and if so provided or permitted in the resolution authorizing the issuance of such refunding bonds or in the trust agreement securing the same, to the payment of any interest on such refunding bonds, and any expenses in connection with such refunding, such proceeds may be invested in direct obligations of, or obligations the principal of and the interest on which are unconditionally guaranteed by, the United States of America which shall mature or which shall be subject to redemption by the holder thereof at the option of such holder, not later than the respective dates when the proceeds, together with the interest accruing thereon, will be required for the purposes intended, or, in lieu of such investments, all or any part of such proceeds may be placed in interest-bearing time deposits or other similar arrangements may be made with regard thereto which will assure that such proceeds, together with the interest accruing thereon, will be available when required for the purposes intended.