1. Short title This Act may be cited as the Start Making Adjustments and Require Transparency in Cocaine Sentencing Act or the SMART Cocaine Sentencing Act . 2. Penalties for cocaine-related offenses (a) In general (1) Controlled substances act Section 401(b)(1) of the Controlled Substances Act ( 21 U.S.C. 841(b)(1) ) is amended— (A) in subparagraph (A)— (i) in clause (ii), in the matter preceding subclause (I), by striking 5 kilograms and inserting 4 kilograms ; and (ii) in clause (iii), by striking 280 grams and inserting 1,600 grams ; and (B) in subparagraph (B)— (i) in clause (ii), in the matter preceding subclause (I), by striking 500 grams and inserting 400 grams ; and (ii) in clause (iii), by striking 28 grams and inserting 160 grams . (2) Controlled substances import and export act Section 1010(b) of the Controlled Substances Import and Export Act ( 21 U.S.C. 960(b) ) is amended— (A) in paragraph (1)— (i) in subparagraph (B), in the matter preceding clause (i), by striking 5 kilograms and inserting 4 kilograms ; (ii) in subparagraph (C), by striking 280 grams and inserting 1,600 grams ; and (iii) in subparagraph (H), by striking the period at the end and inserting a semicolon; and (B) in paragraph (2)— (i) in subparagraph (B), in the matter preceding clause (i), by striking 500 grams and inserting 400 grams ; (ii) in subparagraph (C), by striking 28 grams and inserting 160 grams