The bonds or notes may bear a date or dates, may bear interest at such rate or rates, may mature at such time or times, may be in such form, carry such registration privileges, may be payable at such place or places, may be subject to such terms of redemption prior to maturity with or without premium, if so stated on the face of the bonds, and may contain any terms and covenants as may be provided by the resolution of the board authorizing the issuance of the bonds or notes. In addition to the estimated cost of construction, the cost of the project shall be deemed to include interest upon the bonds or notes during construction and for six months after the estimated completion date, the compensation of a fiscal agent or adviser, any underwriter discount, and engineering, administrative and legal expenses. The bonds or notes shall be executed by the president of the board of directors and attested by the secretary. Any bonds or notes bearing the signatures of officers in office on the date of the signing shall be valid and binding for all purposes, notwithstanding that before delivery of the bonds or notes any or all persons whose signatures appear on the bonds or notes shall have ceased to be officers. Each bond or note shall state upon its face the name of the institution on behalf of which it is issued, that it is payable solely and only from the net rents, profits and income derived from the operation of residence halls or dormitories, including dining and other incidental facilities, at the institution named, and that it does not constitute a charge against the state of Iowa within the meaning or application of any constitutional or statutory limitation or provision. The issuance of bonds or notes shall be recorded in the office of the treasurer of the institution on behalf of which the bonds or notes are issued, and a certificate by such treasurer to this effect shall be printed on the back of each such bond or note.