Section 30(1): amended, on 1 October 2012, by section 293(2) of the Search and Surveillance Act 2012 (2012 No 24).
Section 30(1)(b): amended, on 1 October 2008, pursuant to section 116(a)(ii) of the Policing Act 2008 (2008 No 72).
Section 30(2): replaced, on 1 October 2012, by section 293(3) of the Search and Surveillance Act 2012 (2012 No 24).
Section 30(3): repealed, on 1 October 2012, by section 293(3) of the Search and Surveillance Act 2012 (2012 No 24).