; (bb) 4 hours total during any 24-hour period; or (cc) 12 hours total during any 7-day period. (C) De-escalation (i) In general With respect to any placement pursuant to subparagraph (B)(iv), Federal facility staff shall meet with the incarcerated person not less frequently than once per hour to attempt de-escalation, work toward the release of the person from such confinement, and determine whether it is necessary to continue to hold the person in such confinement, and with respect to any placement pursuant to subparagraph (B)(iv) or (B)(v), health care staff must conduct a thorough medical, mental health, social, and behavioral assessment upon admission to such placement, conduct meaningful check-ins every 15 minutes to engage with the person in custody, evaluate and treat any urgent health needs, and attempt any de-escalation. (ii) Removal by health care staff If health care staff determines an incarcerated person should be removed from solitary confinement for assessment or treatment purposes, or because of a negative impact of such confinement, the person shall be removed to an appropriate setting as determined by health care staff. (D) Prohibition on involuntary confinement No person may be involuntarily confined in a cell under subparagraph (B)(iv) who— (i) is 25 years of age or younger; (ii) is 55 years of age or older; (iii) has a disability, as defined in section 3 of the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12102 ); (iv) has any diagnosed mental health need; (v) is pregnant, in the first 8 weeks of the postpartum recovery period, or caring for a child in a facility program