Section 37 subsection (3) inserts section 48A into the 1983 Act which places the new 28-day time limit duties on authorities and bodies involved in a potential transfer for unsentenced prisoners and other detainees to whom section 48 applies.
	The provision in this section operates in the same way as that detailed above for new section 47A, by placing responsibilities on the relevant referring bodies responsible for the place of detention in new section 48A(1)(c) to give a statutory notice to the notified authorities in new sections 48A(3) and 48B, requiring all to work together to seek to ensure a transfer within 28 days.
	As with new section 47A, the duties will only apply to those involved in the transfer of the individual, including those responsible for detaining the individual. Sections 48A(3) and 48B provide that, in prisons and youth detention accommodation, this will be the relevant person (director, governor or manager) of the place in which P is detained. In immigration detention, this will be the relevant manager of the centre, facility or accommodation in which P is detained.
	Section 37 subsection (4) inserts new section 48B into the 1983 Act. This sets out the meaning of "the relevant detention authority" as referenced in the list of notified authority in sections 47A(3)(b) and 48(3)(b), setting out who the relevant detention authority is, depending on what place of detention the person is held on the day the referral notice is sent.
	New section 48B(3)(a), read with section 53 allows the Secretary of State to amend the list of relevant referring bodies and notified authorities provided in sections 47A, 48A and 48B by regulations, subject to the draft affirmative procedure, to ensure the duty continues to sit with the appropriate bodies if there are changes to commissioning arrangements or responsibilities.
	New section 48B(3)(b), read with section 53, allows for the 28-day time limit set out in section 47A(3) and 48A(3) to be amended by affirmative regulations subject to the draft affirmative procedure.
	Section 37 subsection (5) amends section 143 of the 1983 Act in relation to the relevant procedure for the use of the delegated powers in the 1983 Act, including the powers inserted by section 37.
Patients concerned in criminal proceedings or under sentence Section 37: Transfers from Prison to hospital: time limits Prisoners and other detainees transferred under Section 48