; and (B) by redesignating subparagraph (E) as subparagraph (D); (2) in subsection (e), by striking may use up to 3 percent and inserting shall use not less than 6 percent ; and (3) by amending subsection (g) to read as follows: (g) Collaboration set-aside The Attorney General shall use not less than 8 percent of funds appropriated to provide technical assistance to State and local governments receiving grants under this part to foster collaboration between such governments in furtherance of the purposes set forth in section 3 of the Mentally Ill Offender Treatment and Crime Reduction Act of 2004 ( 34 U.S.C. 10651 note). . 613. Juvenile solitary confinement (a) In general Chapter 403 of title 18, United States Code, is amended by adding at the end the following: 5043. Juvenile solitary confinement (a) Definitions In this section— (1) the term covered juvenile means— (A) a juvenile who— (i) is being proceeded against under this chapter for an alleged act of juvenile delinquency; or (ii) has been adjudicated delinquent under this chapter; or (B) a juvenile who is being proceeded against as an adult in a district court of the United States for an alleged criminal offense; (2) the term juvenile facility means any facility where covered juveniles are— (A) committed pursuant to an adjudication of delinquency under this chapter; or (B) detained prior to disposition or conviction