“(1) The Secretary of State may not detain any person (“P”) who has had their right of free movement removed by the provisions of this Act under a relevant detention power for a period of more than 28 days from the relevant time.
(2) If “P” remains detained under a relevant detention power at the expiry of the period of 28 days then—
(a) the Secretary of State shall release P forthwith; and
(b) the Secretary of State may not re-detain P under a relevant detention power thereafter, unless the Secretary of State is satisfied that there has been a material change of circumstances since “P’s” release and that the criteria in section [Initial detention for EEA and Swiss nationals: criteria and duration] are met.
(3) In this Act, “relevant detention power” means a power to detain under—
(a) paragraph 16(2) of Schedule 2 to the Immigration Act 1971 (detention of persons liable to examination or removal);
(b) paragraph 2(1), (2) or (3) of Schedule 3 to that Act (detention pending deportation);
(c) section 62 of the Nationality, Immigration and Asylum Act 2002 (detention of persons liable to examination or removal); or
(d) section 36(1) of UK Borders Act 2007 (detention pending deportation).
(4) In this Act, “relevant time” means the time at which “P” is first detained under a relevant detention power.”—