2011 Act No. 18 Environmental Protection (Noise) Policy 2008 ss 1–2 commenced on date of notification remaining provisions commenced 1 January 2009 (see s 2) exp 1 September 2019 (see SIA s 54) (1) The expiry date may have changed since this reprint was published. See the latest reprint of the SIR for any change. (2) An explanatory note was prepared. Work Health and Safety Act 2011 ss 1–2, 404 sch 4 pt 1 ss 1–2 commenced on date of assent remaining provisions commenced 1 January 2012 (2011 SL No. 238) SL 2008, No. 442 Explanatory Note