(This note is not part of the Order)
| Provision | Date of Commencement | S.I. No. |
|---|---|---|
| Sections 1, 2, 4, 6 to 8, 11 and 12 and Schedule 1 (amendments of Police and Criminal Evidence Act 1984) | 20.1.2004 | 2004/81 |
| Section 3 (arrestable offences) | 29.1.2004 | 2004/81 |
| Section 5 (partially) (drug testing for under-eighteens) | 1.8.2004 | 2004/1867 |
| Section 9 (taking fingerprints without consent) | 5.4.2004 | 2004/829 |
| Section 10 (taking non-intimate samples without consent) | 5.4.2004 | 2004/829 |
| Sections 13, 15(3), 16, 17 and 19 to 21 (bail) | 5.4.2004 | 2004/829 |
| Sections 22 to 24 (conditional cautions) | 3.7.2004 | 2004/1629 |
| Section 25 (conditional cautions, code of practice) | 29.1.2004 | 2004/81 |
| Sections 26 and 27 (partially) (conditional cautions) | 3.7.2004 | 2004/1629 |
| Section 28 and Schedule 2 (partially) and section 31 (charging etc) | 29.1.2004 3.7.2004 | |
| Section 40 (code of practice for police interviews of witnesses notified by accused) | 5.4.2004 | 2004/829 |
| Section 42 (mode of trial for certain firearms offences: transitory arrangements | 22.1.2004 | 2004/81 |
| Section 49 (rules of court) | 29.1.2004 | 2004/81 |
| Section 55 (rules of court) | 29.1.2004 | 2004/81 |
| Section 73 (rules of court) | 29.1.2004 | 2004/81 |
| Section 93 (rules of court) | 29.1.2004 | 2004/81 |
| Sections 98 to 113 and Schedule 6 (evidence of bad character) | 29.1.2004, 15.12.2004, 1.1.2005 | |
| Section 132 (rules of court) | 29.1.2004 | 2004/81 |
| Section 139 to 141 (use of documents to refresh memory) | 5.4.2004 | 2004/829 |
| Sections 167, 168 (partially) and 169 to 173 (sentencing and allocation guidelines) | 27.2.2004 | 2004/81 |
| Section 174 (duty to give reasons for, and explain effect of, sentence) (partially) | 5.4.2004 | 2004/829 |
| Section 176 (interpretation of Chapter 1) | 5.4.2004 | 2004/829 |
| Sections 182 to 187 and Schedule 10 (prison sentences of less than 12 months) (partially) | 26.1.2004 | 2003/3282 |
| Sections 195 to 205, 213 to 219 and Schedule 14, and sections 221 to 223 (further provisions about orders under Chapters 2 and 3) (partially) | 26.1.2004 | 2003/3282 |
| Sections 237, 239 and Schedule 19, 241, 244 to 246, 248 to 257, 259, 263 to 265 and 268 (release on licence) (partially) | 26.1.2004 | 2003/3282 |
| Section 262 and Schedule 20 (prisoners liable to removal from the United Kingdom: modifications of Criminal Justice Act 1991) | 14.6.2004 | 2004/829 |
| Section 279 and Schedule 24 (drug treatment and testing requirement in action plan order or supervision order) (partially) | 1.12.2004 | 2004/3033 |
| Section 284 and Schedule 28 (increase in penalties for drug-related offences) | 29.1.2004 | 2004/81 |
| Section 285 (increase in penalties for certain driving-related offences) | 27.2.2004 | 2004/81 |
| Section 286 (increase in penalties for offences under section 174 of the Road Traffic Act 1988) | 29.1.2004 | 2004/81 |
| Sections 287 to 293 (firearms offences) and Schedule 29 (sentencing for firearms offences in Northern Ireland) | 22.1.2004 | 2004/81 |
| Sections 294 to 297 (offenders transferred to mental hospital) | 20.1.2004 | 2004/81 |
| Section 299 and Schedule 30 (disqualification from working with children) | 1.5.2004 | 2004/829 |
| Section 302 (execution of process between England and Wales and Scotland) (partially) | 26.1.2004 | 2003/3282 |
| Section 304 and Schedule 32 (amendments relating to sentencing) (partially) | 26.1.2004 22.1.2004 | |
| Section 305 (interpretation of Part 12) (partially) | 26.1.2004 | 2003/3282 |
| Section 306 (detention of suspected terrorists) | 20.1.2004 | 2004/81 |
| Sections 313 and 314 (extension of investigations by Criminal Cases Review Commission in England and Wales and Northern Ireland | 1.9.2004 | 2004/1629 |
| Sections 316 and 317 (power to substitute conviction of alternative offence on appeal in England and Wales and Northern Ireland) | 1.9.2004 | 2004/1629 |
| Section 318 (substitution of conviction on different charge on appeal from court-martial) | 1.9.2004 | 2004/1629 |
| Section 320 (offence of outraging public decency triable either way) | 20.1.2004 | 2004/81 |
| Section 321 and Schedule 33 (jury service) | 5.4.2004 | 2004/829 |
| Sections 322 and 323 (individual support orders) | 1.5.2004 | 2004/829 |
| Section 324 and Schedule 34 (parenting orders and referral orders) | 27.2.2004 | 2004/81 |
| Sections 325 to 327 (arrangements for assessing etc risks posed by sexual or violent offenders) | 5.4.2004 | 2004/829 |
| Section 328 and Schedule 35 (criminal record certificates: amendments of Part 5 of the Police Act 1997) (partially) | 29.1.2004 | 2004/81 |
| Section 329 (civil proceedings brought by offenders) | 20.1.2004 | 2004/81 |
| Section 331 and Schedule 36 (further minor and consequential amendments) (partially) | 5.4.2004 1.9.2004 15.12.2004 1.1.2005 | |
| Section 332 and Schedule 37 (repeals) (partially) | 20.1.2004, 29.1.2004, 27.2.2004 5.4.2004, 15.12.2004 | |
| Section 333 and Schedule 38 (supplementary and consequential provision, etc.) (partially) | 27.2.2004 | 2004/81 |