Updated to 23 October 2025 (Act No. 10 of 2025 and S.I. No. 506 of 2025)
Criminal Justice Act 1999
No. 10 of 1999
		Contents
Commencement
| Section | Commencement/Effective Date Where the commencement and effective dates differ, the effective date is shown below. 
                 | 
                Commencement Information | 
|---|---|---|
| Ss. 1-7 | 26 May 1999 | Criminal Justice Act, 1999 (Parts I and II) (Commencement) Order, 1999 (S.I. No. 154 of 1999), art. 2 | 
| Ss. 8-24 | 1 October 2001 | Criminal Justice Act, 1999 (Part III) (Commencement) Order, 2001 (S.I. No. 193 of 2001), art. 2 | 
| Ss. 25-30 | 1 October 1999 | Criminal Justice Act, 1999 (Parts IV and V) (Commencement) Order, 1999 (S.I. No. 302 of 1999), art. 2 | 
| Ss. 31-42 | 26 May 1999 | Commenced on enactment | 
Amendments and other effects
| How Affected | Affecting Provision | Affecting Provision Commencement/Effective Date
                                 Where the commencement and effective dates differ, the effective date is shown below. 
                             | 
							Commencement Source | 
|---|---|---|---|
| S. 4A(1)(c) repealed with saver | 11/2006, s. 25 and sch. 2, ref. no. 10, s. 26(2)* | 1 June 2006 | 11/2006, s. 25 and sch. 2, ref. no. 10, s. 26(2) | 
| S. 41 re-trial procedure | 27/2010, ss. 1(2), 9 | 1 September 2010 | 27/2010 | 
| S. 41(1)(a) am. | 24/2010, ss. 1(2), 170, schedule, pt. 5, item 19 | 1 January 2011 | 24/2010, ss. 1(2), 170, schedule, pt. 5, item 19 | 
| 32/2009, s. 20(a) | 23 July 2009 | 32/2009, s. 20(a) | |
| S. 41(3A) subsec. ins. | 32/2009, s. 20(b) | 23 July 2009 | 32/2009, s. 20(b) | 
| S. 41(3A)(a) am. | 43/2014, ss. 1(3), 68, sch. 4 | Not Yet Commenced | |
| S. 41(3B) subsec. ins. | 32/2009, s. 20(b) | 23 July 2009 | 32/2009, s. 20(b) | 
| S. 41(5)(b) am. | 32/2009, s. 16 | 23 July 2009 | 32/2009, s. 16 | 
| S. 42 power to take samples and prints from persons in custody | 11/2014, ss. 1(2), 9, 11-13, 31-33, 35, 86, 100 | 20 November 2015 | 11/2014, 9, 11-13, 31-33, 35, 86, 100 | 
| S. 42 destruction of samples taken in custody | 11/2014, ss. 1(2), 76-80, 84, 85 | 20 November 2015 | 11/2014, ss. 1(2), 76-80, 84, 85 | 
| S. 42(1) am. | 30/2015, ss. 1(3), 31(b) | 1 December 2015 | 30/2015, ss. 1(3), 31(b) | 
| S. 42(2) am. | 30/2015, ss. 1(3), 31(a) | 1 December 2015 | 30/2015, ss. 1(3), 31(a) | 
| S. 42(2) substit. | 26/2006, ss. 1(2), 11(a) | 1 August 2006 | 26/2006, ss. 1(2), 11(a) | 
| S. 42(2)(a) am. | 30/2015, ss. 1(3), 31(c)(i) | 1 December 2015 | 30/2015, ss. 1(3), 31(c)(i) | 
| S. 42(2)(c) am. | 30/2015, ss. 1(3), 31(c)(ii) | 1 December 2015 | 30/2015, ss. 1(3), 31(c)(ii) | 
| Ss. 42(3)-(5) am. | 30/2015, ss. 1(3), 31(a) | 1 December 2015 | 30/2015, ss. 1(3), 31(a) | 
| S. 42(5)(a) am. | 26/2006, ss. 1(2), 11(b)(i) | 1 August 2006 | 26/2006, ss. 1(2), 11(b)(i) | 
| S. 42(5)(b) am. | 26/2006, ss. 1(2), 11(b)(ii) | 1 August 2006 | 26/2006, ss. 1(2), 11(b)(ii) | 
| S. 42(6) substit. | 30/2015, ss. 1(3), 31(d) | 1 December 2015 | 30/2015, ss. 1(3), 31(d) | 
| S. 42(6) am. | 30/2015, ss. 1(3), 31(a) | 1 December 2015 | 30/2015, ss. 1(3), 31(a) | 
| S. 42(7) am. | 30/2015, ss. 1(3), 31(a), (e) | 1 December 2015 | 30/2015, ss. 1(3), 31(a), (e) | 
SIs made under the Act
| Section | SIs made under the Act | 
|---|---|
| None |