Such revenue bonds may be issued in one or more series, may bear such date or dates, may mature at such time or times, not exceeding forty years from their respective dates, may bear interest at such rate or rates, not exceeding four per cent per annum, payable semiannually, may be payable in such medium of payment and at such place or places, may be in such denomination or denominations, may be in such form, either coupon or registered, may carry such registration privileges, may be subject to such terms of redemption before maturity, with or without premium, and may contain such terms, covenants and conditions as the resolution authorizing the issuance of such bonds may provide. Such bonds shall be fully negotiable within the meaning of and for all the purposes of the Uniform Commercial Code.