Bonds of an authority shall be authorized by its resolution and may be issued in one or more series and shall bear such date or dates; mature at such time or times; bear interest at such rate or rates; be in such denomination or denominations; be in such form, either coupon or registered; carry such conversion or registration privileges; have such rank or priority; be executed in such manner; be payable in such medium of payment, at such place or places; and be subject to such terms of redemption, with or without premium, as such resolution, its trust indenture, or mortgage may provide.
OCGA § 8-3-73