Section 56(2): amended, on 1 October 2012, by section 286(2) of the Search and Surveillance Act 2012 (2012 No 24).
Section 56(3): amended, on 1 October 2012, by section 286(3) of the Search and Surveillance Act 2012 (2012 No 24).
Section 56(4): amended, on 1 October 2012, by section 286(4) of the Search and Surveillance Act 2012 (2012 No 24).
Section 56(4)(c): amended, on 1 October 2008, pursuant to section 116(a)(ii) of the Policing Act 2008 (2008 No 72).
Section 56(5): inserted, on 1 October 2012, by section 286(5) of the Search and Surveillance Act 2012 (2012 No 24).