; (iii) the conviction has been reversed, vacated, set aside, or otherwise vitiated by judicial action; (iv) the conviction was expunged; (v) the defendant has been pardoned or had civil rights restored; or (vi) the conviction was unconstitutional under the caselaw of the United States Supreme Court in effect at the time the conviction occurred or after the conviction became final. . (b) Definition of felony drug trafficking offense Section 102 of the Controlled Substances Act ( 21 U.S.C. 802 ) is amended by adding at the end the following: (57) For the purpose of increased punishment based on a prior conviction for a drug trafficking offense , that term has the same meaning as the term felony drug offense under subsection (44). . (c) Definitions of related terms for chapter 44 of title 18, United States Code Section 924(e)(2) of title 18, United States Code, is amended— (1) in subparagraph (A), by striking means— and all that follows through the end of the subparagraph and inserting means a felony drug offense as that term is defined in section 102(44) of the Controlled Substances Act; ; (2) in subparagraph (B), by inserting , for which a sentence of imprisonment exceeding 1 year and 1 month was initially imposed and not suspended after adult ; and (3) in subparagraph (C), by striking the period at the end and inserting , but does not include a conviction for any offense that is not classified as a felony by the applicable law of the jurisdiction or is a conviction of the sort described in subparagraph (B) of section 102(44) of the Controlled Substances Act and does not include any finding that the defendant committed an act of juvenile delinquency that was made more than 10 years before the defendant’s commencement of the instant offense, excluding any period during which the defendant was incarcerated