51. Nothing in this Part shall affect—
(a)the powers conferred on immigration officers by section 4 of and Schedule 2 to the Immigration Act 1971F1 (administrative provisions as to control on entry etc.);
[F2(b)the powers conferred by virtue of section 41 [F3or 43B] of, or Schedule 7 to, the Terrorism Act 2000 (powers of arrest and detention);]
[F4(ba)the powers conferred by virtue of Part 1 of Schedule 3 to the Counter-Terrorism and Border Security Act 2019 (powers of detention);]
[F5(bb) the powers conferred by virtue of section 27 of and Schedule 6 to the National Security Act 2023;]
(c)F6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(d)any right of a person in police detention to apply for a writ of habeas corpus or other prerogative remedy.
F3Words in art. 51(b) inserted (28.6.2022) by Police, Crime, Sentencing and Courts Act 2022 (c. 32), s. 208(5)(w), Sch. 19 para. 4(3)
F4Art. 51(ba) inserted (13.8.2020) by Counter-Terrorism and Border Security Act 2019 (c. 3), s. 27(2)(d), Sch. 4 para. 20(2); S.I. 2020/792, reg. 2(i)
F5Art. 51(bb) inserted (20.12.2023) by The National Security Act 2023 (Consequential Amendments of Primary Legislation) Regulations 2023 (S.I. 2023/1386), reg. 1(2), Sch. para. 9(4)
F6Art. 51(c) repealed (28.3.2009 for certain purposes otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 378(2), 383(2), Sch. 17; S.I. 2009/812, art. 3(a)(b) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4
Modifications etc. (not altering text)
C1Art. 51(d) applied (with modifications) (1.12.2007) by Police and Criminal Evidence (Application to Revenue and Customs) Order (Northern Ireland) 2007 (S.R. 2007/464), arts. 3-15, Sch. 1, Sch. 2
C2Art. 51(d) applied (with modifications) (18.5.2009) by Police and Criminal Evidence (Application to the Police Ombudsman) Order (Northern Ireland) 2009 (S.R. 2009/142), art. 3, Sch. 1, Sch. 2