Agreement Act of 1937. (C) The order amendment requirements of section 8c(17) of such Act ( 7 U.S.C. 608c(17) ). (D) A referendum under section 8c(19) of such Act ( 7 U.S.C. 608c(19) ). 4. Extension of dairy forward pricing program Section 1502(e) of the Food, Conservation, and Energy Act of 2008 ( 7 U.S.C. 8772(e) ) is amended— (1) in paragraph (1), by striking 2018 and inserting 2023