Mental Health Act 2014

Short title

Number and year

Assent

Commencement

Mental Health Act 2014

24 of 2014

3 Nov 2014

s. 1 and 2: 3 Nov 2014 (see s. 2(a)); Act other than s. 1 and 2: 30 Nov 2015 (see s. 2(b) and Gazette 13 Nov 2015 p. 4632)

Mental Health Legislation Amendment Act 2014 Pt. 3

25 of 2014

3 Nov 2014

30 Nov 2015 (see s. 2(b) and Gazette 13 Nov 2015 p. 4632)

Mental Health Amendment Act 2015

36 of 2015

23 Nov 2015

s. 1 and 2: 23 Nov 2015 (see s. 2(a)); s. 3‑8: 30 Nov 2015 (see s. 2(b) and (c) and Gazette 13 Nov 2015 p. 4632)

Reprint 1: The Mental Health Act 2014 as at 15 Apr 2016 (includes amendments listed above)

Health Services Act 2016 s. 296

11 of 2016

26 May 2016

1 Jul 2016 (see s. 2(b) and Gazette 24 Jun 2016 p. 2291)

Local Government Legislation Amendment Act 2016 Pt. 3 Div. 24

26 of 2016

21 Sep 2016

21 Jan 2017 (see s. 2(b) and Gazette 20 Jan 2017 p. 648)

Health Practitioner Regulation National Law (WA) Amendment Act 2018 s. 114

4 of 2018

19 Apr 2018

1 Dec 2018 (see s. 2(d) and Gazette 13 Nov 2018 p. 4427‑8)

Legal Profession Uniform Law Application Act 2022 s. 424

9 of 2022

14 Apr 2022

1 Jul 2022 (see s. 2(c) and SL 2022/113 cl. 2)

Health Services Amendment Act 2023 Pt. 3

1 of 2023

22 Feb 2023

1 Jul 2023 (see s. 2(b) and SL 2023/103 cl. 2)

Criminal Law (Mental Impairment) Act 2023 Pt. 15 Div. 20

10 of 2023

13 Apr 2023

1 Sep 2024 (see s. 2(b) and SL 2024/175 cl. 2)

Mental Health Act 2014 with editorial changes as at 26 Jun 2025

Editorial changes table

The Legislation Act 2021 Part 3 authorises the Parliamentary Counsel to make editorial changes to laws. This power cannot be used to change the effect of a law. If an editorial change is made to a law, the law has effect as if the change had been made by another law that amended the law and commenced on the day on which the change is made.

To see the editorial changes included in a version of a law, see the compare document for that version on the WA legislation website.

Provision/s affected

Authorising provision of Legislation Act 2021 Part 3

Effective dateof change

s. 457

s. 34(2)

[s. 34(1) def. (h)]

26 Jun 2025