# Mental Health Act 2025, Paragraph 13: Amendments of Part 4 of the Mental Health Act 1983

Extent: E+W+S+N.I.
Status: prospective

In section 56 (patients to whom Part 4 applies)—
(a) for the heading substitute “Application of Part 4: patients and disorders”;
(b) after subsection (5) insert—
“(6) In this Part “relevant disorder”—
(a) in relation to—
(i) a patient falling within subsection (3) where the patient is liable to be detained by virtue of section 3,
(ii) a patient falling within subsection (3), where the patient is liable to be detained by virtue of section 20(4), otherwise than as that provision applies by virtue of Part 1 of Schedule 1, or
(iii) a patient falling within subsection (4),
means psychiatric disorder;
(b) in relation to any other patient, means mental disorder.”

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Source: https://www.legislation.gov.uk/ukpga/2025/33/schedule/1/paragraph/13 (the official version)
Page: https://openlegislation.uk/mental-health-act-2025/schedule-1/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.