A cooperative shall have power and is hereby authorized, from time to time, to issue its obligations for any corporate purpose. Such obligations may be authorized by resolution of the board, and may bear such date or dates, mature at such time or times, bear such interest, be payable at such times, 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 of redemption, as such resolution may provide. Such obligations may be sold in such manner and upon such terms as the board may determine. Pending the preparation or execution of definitive bonds, or obligations, interim receipts or certificates of temporary bonds may be delivered to the purchaser of such obligations.