; and (4) by adding at the end the following: (g) Early release eligibility for certain youth (1) In general The Bureau of Prisons shall release from confinement, subject to a period of prerelease custody under subsection (c), a youth who has served one half or more of that offender’s term of imprisonment (including any consecutive term or terms of imprisonment) if that youth— (A) is serving a sentence for a nonviolent offense; and (B) has not engaged in any violation of institutional disciplinary regulations involving violent conduct in the last 2 years. (2) Definitions In this subsection— (A) the term youth means an individual who was 21 years of age or younger at the time the criminal offense occurred for which the individual is serving a term of imprisonment; and (B) the term nonviolent offense means a Federal criminal offense that is not— (i) a crime of violence; or (ii) a sex offense (as that term is defined in section 111 of the Sex Offender Registration and Notification Act). . 4. Supervised release consideration for youth (a) Supervised release of youth Section 3582(c) of title 18, United States Code, is amended— (1) by striking and at the end of paragraph (1); (2) by inserting and at the end of paragraph (2)