Mental Health Act 2007 No 8
Current version for 14 May 2020 to date (accessed 9 August 2020 at 01:39)
Chapter 2 Section 5
5   Admission on own request
(1)  A person may be admitted to a mental health facility as a voluntary patient.
(2)  An authorised medical officer may refuse to admit a person to a mental health facility as a voluntary patient if the officer is not satisfied that the person is likely to benefit from care or treatment as a voluntary patient.
(3)  A person may be admitted to a mental health facility as a voluntary patient whether or not the person is a mentally ill person or a mentally disordered person.