Section 12 heading: amended, on 16 October 1978, by section 6 of the Misuse of Drugs Amendment Act 1978 (1978 No 65).
Section 12(1): amended, on 16 October 1978, by section 6 of the Misuse of Drugs Amendment Act 1978 (1978 No 65).
Section 12(1A): inserted, on 7 December 2021, by section 8 of the Drug and Substance Checking Legislation Act 2021 (2021 No 50).
Section 12(1A): repealed, on 7 December 2021, by section 14 of the Drug and Substance Checking Legislation Act 2020 (2020 No 63).
Section 12(2): amended, on 1 July 2013, by section 413 of the Criminal Procedure Act 2011 (2011 No 81).
Section 12(3): repealed, on 1 July 2013, by section 413 of the Criminal Procedure Act 2011 (2011 No 81).