Bonds of the public finance authority must be authorized by resolution of the industrial commission and may be issued in one or more series and must bear such date or dates, mature at such time or times, bear interest at such rate or rates of interest per year, 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 from such sources in such medium of payment at such place or places within or without the state, and be subject to such terms of redemption, with or without premium, as such resolution or resolutions may provide. Bonds of the public finance authority, issued to provide funds to a municipal pipeline authority, are to mature not more than thirty years from the date of issue. Bonds of the public finance authority may be sold at public or private sale at such time or times and at such price or prices as the public finance authority determines.