((a)) Nothing in this Act shall be construed as invalidating any marketing agreement, license, or order, or any regulation relating to, or any provision of, or any act of the Secretary of Agriculture in connection with, any such agreement, license, or order which has been executed, issued, approved, or done under the Agricultural Adjustment Act [ et seq.], or any amendment thereof, but such marketing agreements, licenses, orders, regulations, provisions, and acts are expressly ratified, legalized, and confirmed.
((b)) Any program in effect under the Agricultural Adjustment Act [ et seq.], as reenacted and amended by this Act, on , shall continue in effect without the necessity for any amendatory action relative to such program, but any such program shall be continued in operation by the Secretary of Agriculture only to establish and maintain such orderly marketing conditions as will tend to effectuate the declared purpose set out in section 2 or 8c(18) of the Agricultural Adjustment Act [ or 608c(18)], as reenacted and amended by this Act.