EFFECTIVE DATE.

SEC. 1171. EFFECTIVE DATE. (a) In General.— Except as otherwise specifically provided in title I through this title, such titles and the amendments made by such titles shall become effective beginning with the 1991 crop of an agricultural commodity. (b) Prior Crops.— Except as otherwise specifically provided and notwithstanding any other provision of law, title I through this title, and the amendments made by such titles, shall not affect the authority of the Secretary of Agriculture to carry out a price support or production adjustment program for any of the 1986 through 1990 crops of an agricultural commodity established under a provision of law in effect immediately before the effective date prescribed by subsection (a).