The borrowing of money and the notes and bonds evidencing any such borrowing shall be authorized by resolution approved by the Board of Directors of the Housing Development Fund, shall bear such date or dates, and shall mature at such time or times, in the case of any such note or any renewal thereof, not exceeding 20 years from the date of issue of such original note, and, in the case of any such bond, not exceeding 50 years from the date of issue, as such resolution or resolutions may provide. The notes and bonds shall bear interest at such rate or rates, be in such denominations, be in such form, either coupon or registered, carry such registration privileges, be executed in such manner, be payable in such medium of payment, at such place or places, and be subject to such terms or conditions of redemption as such resolution or resolutions may provide.