Updated to 23 October 2025 (Act No. 10 of 2025 and S.I. No. 506 of 2025)

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S. 4A(1)(c) repealed with saver 11/2006, s. 25 and sch. 2, ref.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

SectionSIs made under the Act
None

* This amending provision was itself amended by 40/2010, s. 9 to instead provide for repeal of s. 4(1)(c) of 12/1967.