; and (2) in section 401(b)(1) ( 21 U.S.C. 841(b)(1) )— (A) in the flush text following clause (viii)— (i) by striking 10 years or more and inserting 5 years or more ; (ii) by striking such person shall be sentenced to a term of imprisonment which may not be less than 20 years and and inserting such person shall be sentenced to a term of imprisonment of not less than 10 years and ; and (iii) by striking mandatory term of life imprisonment without release and inserting term of imprisonment of not less than 25 years ; and (B) in the flush text following clause (viii)— (i) by striking 5 years and inserting 2 years ; and (ii) by striking not be less than 10 years and inserting not be less than 5 years . (b) 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— (1) in paragraph (1), in the flush text following subparagraph (H)— (A) by inserting , other than a person who is a courier, after such violation ; (B) by striking person commits and inserting person, other than a courier, commits ; and (C) by inserting If a person who is a courier commits such a violation, the person shall be sentenced to a term of imprisonment of not less than 5 years and not more than life. If a person who is a courier commits such a violation after a prior conviction for a felony drug offense has become final, the person shall be sentenced to a term of imprisonment of not less than 10 years and not more than life. before Notwithstanding section 3583 ; and (2) in paragraph (2), in the flush text following subparagraph (H)— (A) by inserting , other than a person who is a courier, after such violation ; (B) by striking person commits and inserting person, other than a courier, commits