; and (B) does not include an individual who— (i) at the time of the offense, was younger than the maximum age at which a youth can be held in a juvenile facility under applicable State law; and (ii) was committed to the care and custody or supervision, including post-placement or parole supervision, of a juvenile correctional agency by a court of competent jurisdiction or by operation of applicable State law; ; (6) in paragraph (28), by striking and at the end; (7) in paragraph (29), by striking the period at the end and inserting a semicolon; and (8) by adding at the end the following: (30) the term core requirements — (A) means the requirements described in paragraphs (11), (12), (13), and (15) of section 223(a); and (B) does not include the data collection requirements described in subparagraphs (A) through (K) of section 207(1); (31) the term chemical agent means a spray or injection used to temporarily incapacitate a person, including oleoresin capsicum spray, tear gas, and 2-chlorobenzalmalononitrile gas; (32) the term isolation — (A) means any instance in which a youth is confined alone for more than 15 minutes in a room or cell; and (B) does not include— (i) confinement during regularly scheduled sleeping hours; (ii) separation based on a treatment program approved by a licensed medical or mental health professional; (iii) confinement or separation that is requested by the youth; or (iv) the separation of the youth from a group in a nonlocked setting for the limited purpose of calming; (33) the term restraints has the meaning given that term in section 591 of the Public Health Service Act ( 42 U.S.C. 290ii ); (34) the term evidence-based means a program or practice that— (A) is demonstrated to be effective when implemented with fidelity; (B) is based on a clearly articulated and empirically supported theory; (C) has measurable outcomes relevant to juvenile justice, including a detailed description of the outcomes produced in a particular population, whether urban or rural