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Mental Health Act 1983

Type Public General Act
Publication 1983-05-09
Last updated 2026-04-06
State In force
Department Statute Law Database
Source legislation.gov.uk
articles Not indexed
Reform history JSON API
264

S. 40(6) inserted (1.4.1996) by 1995 c. 52, ss. 2(4), 7(2)

266

S. 41(1) modified (28.3.2009 for certain purposes, otherwise 31.10.2008) by Armed Forces Act 2006 (c. 52), ss. 169, 383, Sch. 4 para. 2; S.I. 2009/812, art. 3(a) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

267

Words in s. 41(1) omitted (1.10.2007) and repealed (3.11.2008) by virtue of Mental Health Act 2007 (c. 12), ss. 40(1), 55, 56, Sch. 11 Pt. 8 (with Sch. 10); S.I. 2007/2798, art. 2(d); S.I. 2008/1900, art. 2(p) (with art. 3, Sch)

268

S. 41(3)(aa) inserted (1.4.1996) by 1995 c. 52, ss. 1(2), 7(2), Sch. 1, para. 5

271

Words in s. 41(3)(c)(ii) inserted (1.10.1997) by 1997 c. 43, s. 49(2); S.I.1997/2200, art. 2

272

Words in s. 41(3)(c)(6) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(6), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

273

Words in s. 42(4)(b) omitted (1.10.2007) and repealed (3.11.2008) by virtue of Mental Health Act 2007 (c. 12), ss. 40(2), 55, 56, Sch. 11 Pt. 8 (with Sch. 10); S.I. 2007/2798, art. 2(d); S.I. 2008/1900, art. 2(p) (with art. 3, Sch.)

275

Words in s. 44(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(7), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

276

Words in s. 44(3) omitted (1.10.2007) and repealed (3.11.2008) by virtue of Mental Health Act 2007 (c. 12), ss. 40(3)(a)(7), 55, 56, Sch. 11 Pt. 8 (with Sch. 10); S.I. 2007/2798, art. 2(d); S.I. 2008/1900, art. 2(p) (with art. 3, Sch.)

277

S. 45A inserted (1.10.1997) by 1997 c. 43, s. 46; S.I. 1997/2200, art. 2 (with saving in art. 5(1))

278

S. 45A extended (1.10.1997) by 1997 c. 43, s. 47(1)(b); S.I. 1997/2200, art. 2

282

Words in s. 45A(5) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(8), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

284

S. 45B inserted (1.10.1997) by 1997 c. 43, s. 46; S.I. 1997/2200, art. 2 (with saving in art. 5(1))

285

Words in s. 45B(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(9)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

286

Ss. 45A, 45B inserted (1.10.1997) by 1997 c. 43, ss. 46; S.I. 1997/2200, art. 2 (with saving in art. 5(1))

289

S. 47 extended (1.10.1997) by 1997 c. 43, s. 47(1)(c); S.I. 1997/2200, art. 2

291

S. 47(1)(c) and preceding word substituted (3.11.2008) for words in s. 47(1)(b) by Mental Health Act 2007 (c. 12), ss. 4(7), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

292

Words in s. 47(1) repealed (1.10.1997) by 1997 c. 43, ss. 49(3), 56(2), Sch. 6; S.I. 1997/ 2200, art. 2 (with saving in art. 5(6))

295

Words in s. 47(5)(a) inserted (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 378, 383, Sch. 16 para. 97(2)(a); S.I. 2009/812, art. 3(a) (with the transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

297

Words in s. 47(5)(a) inserted (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 378, 383, Sch. 16 para. 97(2)(b); S.I. 2009/812, art. 3(a) (with the transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

300

S. 47(6) inserted (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 378, 383, Sch. 16 para. 97(3); S.I. 2009/812, art. 3(a) (with the transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

301

S. 48(1)(a)(b) substituted (3.11.2008) for words in s. 48(1) by Mental Health Act 2007 (c. 12), ss. 1, 56, Sch. 1 para. 11(a) (with Sch. 10); S.I. 2008/1900, art. 2(a), (with art. 3, Sch.)

302

S. 48(1)(c) and preceding word inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 5(3), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

303

Words in s. 48(2)(c) repealed (22.7.2004) by Statute Law (Repeals) Act 2004 (c. 14), ss. 1(1), {Sch. 1 Pt. 17 Group 8}

304

Words in s. 48(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 1, 56, Sch. 1 para. 11(b) (with Sch. 10); S.I. 2008/1900, art. 2(a), (with art. 3, Sch.)

305

Words in s. 49(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(9)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

307

Words in s. 50(1) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(2)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

308

Words in s. 50(1) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(2)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

313

Words in s. 51(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(3)(a)(i), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

314

Words in s. 51(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(3)(a)(ii), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

316

Words in s. 51(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(3)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

317

Words in s. 51(4) inserted (10.4.1995) by 1994 c. 33, s. 168, Sch. 10, para. 51; S.I. 1995/721, art. 2, Sch. Appendix A

318

S. 51(6)(a)(i) substituted (3.11.2008) for words in s. 51(6)(a) by Mental Health Act 2007 (c. 12), ss. 1, 56, Sch. 1 para. 12 (with Sch. 10); S.I. 2008/1900, art. 2(a) (with art. 3, Sch.)

319

S. 51(6)(a)(ii) and preceding word inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 5(4), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

321

Words in s. 52(5)(7) substituted (3.11.2008) by Mental Health Act 2007 (c. 12) , ss. 11(4) , (with Sch. 10 ); S.I. 2008/1900 , art. 2(b) 56 (with art. 3 , Sch. )

322

Words in s. 52(7)(b) substituted (1.1.2010) by Legal Services Act 2007 (c. 29) , ss. 208 , 211 , Sch. 21 para. 57 (with ss. 29 , 192 , 193 ); S.I. 2009/3250 , art. 2(h) (subject to art. 6 , 9 )

323

S. 53: words in heading substituted (10.2.2003) by virtue of 2002 c. 41, ss. 62(10)(b), 162 (with s. 129); S.I. 2003/1, art. 2, Sch

324

Words in s. 53(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(5)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

325

Words in s. 53(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 11(5)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

327

S. 54(2)(3) extended (30.9.1998) by 1969 c. 54, s. 12B(3) (as inserted by 1998 c. 37, ss. 106, Sch. 7, para. 5(3)); S.I. 1998/2327, art. 2(1)(w) (as amended by S.I. 1998/2412, art. 2 and S.I. 1998/2906, art. 2)

328

Words in s. 54 inserted (1.10.1997) by 1997 c. 43, s. 55, Sch. 4, para. 12(6); S.I. 1997/2200, art. 2

329

S. 54(2)(2A) substituted (3.11.2008) for s. 54(2) by Mental Health Act 2007 (c. 12), ss. 11(6), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

332

Words in s. 54(3)(a) substituted (1.1.2010) by Legal Services Act 2007 (c. 29), ss. 208, 211, Sch. 21 para. 58(a) (with ss. 29, 192, 193); S.I. 2009/3250, art. 2(h) (subject to arts. 6, 9)

333

Words in s. 54(3)(a) substituted (1.1.2010) by Legal Services Act 2007 (c. 29), ss. 208, 211, Sch. 21 para. 58(b) (with ss. 29, 192, 193); S.I. 2009/3250, art. 2(h) (subject to arts. 6, 9)

334

S. 54A inserted (E.W.) (1.10.1992) by Criminal Justice Act 1991 (c. 53, SIF 39:1), s. 27(2) (with saving in s. 28); S.I. 1992/333, art. 2(2), Sch.2.

335

S. 55(1): definition of "authorised person" inserted (1.1.2010) by Legal Services Act 2007 (c. 29), ss. 208, 211, Sch. 21 para. 59 (with ss. 29, 192, 193); S.I. 2009/3250, art. 2(h) (subject to arts. 6, 9)

337

S. 55(1): definition of "responsible clinician" substituted (3.11.2008) for definition of "responsible medical officer" by Mental Health Act 2007 (c. 12), ss. 11(7), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

344

Words in s. 57(2)(a) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(2)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

345

Words in s. 57(2)(b) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 6(2)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

346

Words in s. 57(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(2)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

349

Words in s. 58(3)(a) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(3)(a)(i), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

351

Words in s. 58(3)(b) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(3)(a)(ii), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

353

Words in s. 58(3)(b) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 6(2)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

354

Words in s. 58(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(3)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

356

Words in s. 59 substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 28(3), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

357

Words in s. 60 substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 28(4), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

359

Words in s. 60(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 29(3), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

360

S. 61(1): functions transferred (1.4.2009) by Health and Social Care Act 2008 (c. 14), ss. 52(1)(c), 170 (with s. 96); S.I. 2009/462, art. 2, Sch. 1 para. 20

361

Words in s. 61(1) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 28(5)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

362

Words in s. 61(1) inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 34(3)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(j) (with art. 3, Sch.)

363

Words in s. 61(1) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(4)(a)(i), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

365

Words in s. 61(1)(a) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(4)(a)(ii), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

366

Words in s. 61(1)(a) substituted (1.4.1996) by 1995 c. 52, ss. 2(5), 7(2)

367

Words in s. 61(1)(a) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 34(3)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(j) (with art. 3, Sch.)

368

Words in s. 61(2) inserted (1.10.1997) by 1997 c. 43, s. 55, Sch. 4 para. 12(7)(a); S.I. 1997/2200, art. 2

369

Words in s. 61(2)(b) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(4)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

370

Words in s. 61(2) inserted (1.10.1997) by 1997 c. 43, s. 55, Sch. 4 para. 12(7)(b); S.I. 1997/2200, art. 2

371

S. 61(3): functions transferred (1.4.2009) by Health and Social Care Act 2008 (c. 14), ss. 52(1)(d), 170 (with s. 96); S.I. 2009/462, art. 2, Sch. 1 para. 20

372

Words in s. 61(3) repealed (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(4)(c), 55, 56, Sch. 11 Pt. 3 (with Sch. 10); S.I. 2008/1900, art. 2(b)(p) (with art. 3, Sch.)

373

Words in s. 61(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 28(5)(b)(i), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

375

Words in s. 61(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 28(5)(b)(ii), 56 (with Sch. 10); S.I. 2008/1900, art. 2(g) (with art. 3, Sch.)

376

S. 61(3A) inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 12(4)(d), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

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