For the purpose of defraying all or part of the cost of acquiring, improving, and enlarging any building or buildings, automobile parking lots or structures, recreational facilities, stadiums, and the necessary site or sites for the property, together with appurtenant properties and facilities necessary or convenient for the effective use of the property; furnishing and equipping the same; or refunding outstanding bonds as provided in section 11k, the authority, after execution of a contract of lease which is not a full faith and credit general obligation, as provided in this act, and pursuant to ordinance or resolution duly adopted by a majority vote of the elected members of the commission, may issue its negotiable bonds in anticipation of the contract obligations of the incorporating unit or units to make cash rental payments to the authority and may pledge the receipts from those payments for payment of the bonds and the interest on the bonds. Bonds shall not be issued unless the property has been leased by the authority to its incorporating unit or units for a period extending beyond the last maturity of the bonds and no maturity shall in any event be more than 40 years from the date of the bonds. The bonds shall be called building authority revenue bonds, or, in the case of bonds issued to refund outstanding bonds, the bonds shall be called building authority revenue refunding bonds.