Sec. 2 Enhanced penalties Section 401(b)(1) of the Controlled Substances Act (21 U.S.C. 841(b)(1)) is amended— ⋯ (1) in subparagraph (A)(vi)— ⋯ (A) by striking “400 grams” and inserting “20 grams”; and ⋯ (B) by striking “100 grams” and inserting “5 grams”; and ⋯ (2) in subparagraph (B)(vi)— ⋯ (A) by striking “40 grams” and inserting “2 grams”; and ⋯ (B) by striking “10 grams” and inserting “0.5 grams”. ⋯