Mental Health Act 1983

Type Public General Act
Publication 1983-05-09
Last updated 2026-04-06
State In force
Department Statute Law Database
articles Not indexed
Reform history JSON API
170

Words in s. 28(3) inserted (30.12.2005) by 2002 c. 38, ss. 139, 148, Sch. 3 para. 41 (with Sch. 4 paras. 6-8); S.I. 2005/2213, art. 2(o)

172

Words in s. 29(1) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 23(2), 56 (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.)

175
179

S. 29(3)(e) and preceding words inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 23(5)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.)

180

Words in s. 29(5) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 23(6), 56, (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.)

182
184
185

Words in s. 30(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 21, 56, Sch. 2 para. 7(d) (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.); S.I. 2008/2561, art. 2(b), (with art. 3, Sch.)

186

Words in s. 30(2) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 24(4)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.)

188

Words in s. 30(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 24(6), 56 (with Sch. 10); S.I. 2008/1900, art. 2(f) (with art. 3, Sch.)

193

Words in s. 32(2)(c) substituted (1.4.1996) by 1995 c. 52, ss. 1(2), 7(2), Sch. 1 para. 2

194

Words in s. 32(2)(c) repealed (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 55, 56, Sch. 11 Pt. 5 (with Sch. 10); S.I. 2008/1210, art. 2(d) (with art. 4)

195

Words in s. 32(2)(c) inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 32, 56, Sch. 3 para. 15 (with Sch. 10); S.I. 2008/1900, art. 2(i) (with art. 3, Sch.)

198

Words in s. 32(3) inserted (24.7.2007) by Mental Health Act 2007 (c. 12), ss. 45(2), 56 (with Sch. 10); S.I. 2007/2156, art. 2

199

Words in s. 32(3) substituted (28.6.1995 for certain purposes, otherwise 1.4.1996) by 1995 c. 17, s. 2(1)(3), 8, Sch. 1, Pt. III, para. 107(4)

200

Words in s. 32(3) substituted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, {Sch. para. 13(7(a))}

202

Word in s. 32(3) inserted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, {Sch. para. 13(7(b))}

207

Definition of "the appropriate practitioner" in s 34(1) inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 9(9), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

208

Definitions of "the community responsible medical officer" and "the supervisor" in s 34(1) repealed (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 55, 56, Sch. 11 Pt. 5 (with Sch. 10); S.I. 2008/1210, art. 2(d) (with art. 4)

209

Definition of "the responsible clinician" in s 34(1) substituted (3.11.2008) for definition of "the responsible medical officer" by Mental Health Act 2007 (c. 12), ss. 9(10), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

210

S. 34(1A) repealed (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 55, 56, Sch. 11 Pt. 5 (with Sch. 10); S.I. 2008/1210, art. 2(d) (with art. 4)

211

Words in s. 34(2) substituted (1.4.2002) by 2000 c. 14, s. 116, Sch. 4 para. 9(4)(b); S.I. 2001/4150, art. 3(3) (subject to transitional provisions in art. 4 and S.I. 2002/1493, art. 4); S.I. 2002/920, art. 3(3)(d) (subject to transitional provisions in Schs. 1-3 and art. 3(4)-(10))

214

S. 35 modified (31.3.2005) by Army Act 1955 (c. 18), s. 116B(2)(a)(c) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 35 modified (31.3.2005) by Airforce Act 1955 (c. 19), s. 116B(2)(a)(c), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 35 modified (31.3.2005) by Naval Discipline Act 1957 (c. 53), s. 63B(2)(a)(c), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 3 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 35 modified (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 169, 383, Sch. 4 para. 3; S.I. 2009/812, art. 3(a) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

215
216

S. 35 applied (15.10.2001) by 1996 c. 52 s. 156(4); S.I. 2001/3164, art. 2

217
218
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221

S. 36 modified (31.3.2005) by Army Act 1955 (c. 18), s. 116B(2)(b)(c), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 36 modified (31.3.2005) by Airforce Act 1955 (c. 19), s. 116B(2)(b)(c), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 36 modified (31.3.2005) by Naval Discipline Act 1957 (c. 53), s. 63B(2)(b)(c), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.3 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 36 modified (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 169, 383, Sch. 4 para. 4; S.I. 2009/812, art. 3(a) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

222
223

S. 36(1)(b) and preceding word inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 5(2), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

224

Words in s. 36(3) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(3)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(a) (with art. 3, Sch.)

225

Words in s. 36(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(3)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(a) (with art. 3, Sch.)

227
228

S. 37 modified (31.3.2005) by Criminal Procedure (Insanity) Act 1964 (c. 84), s. 5A(1) (as substituted by 2004 c. 28, ss. 24(1), 60 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 37 modified (31.3.2005) by Army Act 1955 (c. 18), s. 116B(1) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3, para. 1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 37 modified (31.3.2005) by Airforce Act 1955 (c. 19), s. 116B(1) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 37 modified (31.3.2005) by Naval Discipline Act 1957 (c. 53), s. 63B(1), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 3 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 37 modified (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 169, 383, Sch. 4 para. 1; S.I. 2009/812, art. 3(a) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

230

S. 37 extended (1.10.1997) by 1997 c. 43, s. 47(1)(a); S.I. 1997/2200, art. 2(1)(i)

231

S. 37 applied (1.10.1997) by 1996 c. 27, s. 51; S.I. 1997/1892, art. 3(1)(a)

232
233

S. 37(1A)(1B) substituted (4.4.2005) by Criminal Justice Act 2003 (c. 44), ss. 304, 336, Sch. 32 para. 38(b); S.I. 2005/950,art 2(1), Sch. 1 para. 42(18) (with art. 2(2), Sch. 2 (as amended by S.I. 2005/2122, art. 2))

234

Words in s. 37(2)(a) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 1, 56, Sch. 1 para. 7(a) (with Sch. 10); S.I. 2008/1900, art. 2(a) (with art. 3, Sch.)

235

Words in s. 37(2)(a)(i) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 4(5), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

236
237

Words in s. 37(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(4), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

238

Words in s. 37(4) repealed (1.10.1997) by 1997 c. 43, s. 55, Sch. 4, para. 12(3), Sch. 6; S.I. 1997/2200, art. 2(1)(o)(2)(f)

239

S. 37(7) repealed (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 55, 56, Sch. 11 Pt. 1 (with Sch. 10); S.I. 2008/1900, art. 2(p) (with art. 3, Sch.)

240

Words in s. 37(8) substituted (26.6.2000) by 1999 c. 23, s. 67(1), Sch. 4 para. 11 (with Sch. 7 para. 3(3), para. 5(2)); S.I. 2000/1587, 2(b)

242

Words in s. 37(8)(a) inserted (30.11.2009) by Criminal Justice and Immigration Act 2008 (c. 4), ss, 6, 153, {Sch. 4 para. 30(a)}(with Sch. 27 para. 5): S.I. 2009/3074, art. 2(p)(v)

243

Words in s. 37(8) substituted (25.8.2000) by 2000 c. 6, ss. 165, 168(1), Sch. 9 para. 90(1)(6)(b)

244

Words in s. 37(8)(c) repealed (30.11.2009) by Criminal Justice and Immigration Act 2008 (c. 4), ss, 6, 149, 153, Sch. 4 para. 30(b), {Sch. 28 Pt. 1} (with Sch. 27 para. 5): S.I. 2009/3074, arts. 2(p)(v)(u)(ix)

245

S. 38 modified (31.3.2005) by Army Act 1955 (c. 18), s. 116B(2)(d) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 38 modified (31.3.2005) by Naval Discipline Act 1957 (c. 53), s. 63B(2)(d) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 3 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 38 modified (31.3.2005) by Airforce Act 1955 (c. 19), s. 116B(2)d) (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para.1 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 38 modified (28.3.2009 for certain purposes, otherwise 31.10.2009) by Armed Forces Act 2006 (c. 52), ss. 169, 383, Sch. 4 para. 5; S.I. 2009/812, art. 3(a) (with transitional provisions in S.I. 2009/1059); S.I. 2009/1167, art. 4

246
247
248

Words in s. 38(2) substituted (1.1.2010) by Legal Services Act 2007 (c. 29), ss. 208, 211, Sch. 21 para. 56 (with ss. 29, 192, 193); S.I. 2009/3250, art. 2(h) (subject to arts. 6, 9)

249

Words in s. 38(4) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(5)(a), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

250

Words in s. 38(5) substituted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 10(5)(b), 56 (with Sch. 10); S.I. 2008/1900, art. 2(b) (with art. 3, Sch.)

251

Words in s. 38(5) substituted (1.10.1997) by 1997 c. 43, s. 49(1); S.I. 1997/2200, art. 2

252

S. 38(7) modified (31.3.2005) by Courts-Martial (Appeals) Act 1968 (c. 20), s. 16(5)(b), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 7 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 38(7) modified (31.3.2005) by Courts-Martial (Appeals) Act 1968 (c. 20), s. 23(5)(b), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 10 (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b) S. 38(7) modified (31.3.2005) by Courts-Martial (Appeals) Act 1968 (c. 20), s. 25B(3)(b), (as substituted by 2004 c. 28, ss. 26, 60, Sch. 3 para. 13, (with Sch. 12 para. 8)); S.I. 2005/579, art. 3(b)

254

Words in s. 39(1) substituted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, Sch. para. 13(8)(a)

255

Words in s. 39(1) substituted (28.6.1995 for certain purposes, otherwise 1.4.1996) by 1995 c. 17, s. 2(1)(3), 8, Sch. 1, Pt. III, para. 107(5)(a)

256

Words in s. 39(1)(b) substituted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, Sch. para. 13(8)(b)

257

Words in s. 39(1) inserted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, Sch. para. 13(8)(c)

258

Words in s. 39(1) inserted (1.4.2007) by The References to Health Authorities Order 2007 (S.I. 2007/961), art. 3, Sch. para. 13(8)(d)

259

S. 39(1A)(1B) inserted (3.11.2008) by Mental Health Act 2007 (c. 12), ss. 31(2), 56 (with Sch. 10); S.I. 2008/1900, art. 2(h) (with art. 3, Sch.)

260

S. 39(2) repealed (28.6.1995 for certain purposes, otherwise 1.4.1996) by 1995 c. 17, ss. 2(1)(3), 5(1), 8, Sch. 1, Pt. III, para. 107(5)(b), Sch. 3 (with Sch. 2 para. 6)

261

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