Mining Safety and Health Legislation (Health Surveillance) Amendment Regulation 2020 ss 1–2 comm on date of notification pt 2 comm 1 July 2020 (see s 2 (1)) pt 3 comm 1 September 2020 (see s 2 (2)) rep 2 September 2020 (see AIA s 22C) 2020 SL No. 108 Explanatory Note Human Rights Certificate