Section 60 of the 1983 Act (withdrawal of consent) is amended as follows.
After subsection (1) insert—
(1A)Subsection (1B) below applies where— (a) the consent of a patient to any treatment has been given for the purposes of section 57, 58 or 58A above; but (b) before the completion of the treatment, the patient ceases to be capable of understanding its nature, purpose and likely effects. (1B) The patient shall, subject to section 62 below, be treated as having withdrawn his consent, and those sections shall then apply as if the remainder of the treatment were a separate form of treatment. (1C) Subsection (1D) below applies where— (a) a certificate has been given under section 58 or 58A above that a patient is not capable of understanding the nature, purpose and likely effects of the treatment to which the certificate applies; but (b) before the completion of the treatment, the patient becomes capable of understanding its nature, purpose and likely effects. (1D) The certificate shall, subject to section 62 below, cease to apply to the treatment and those sections shall then apply as if the remainder of the treatment were a separate form of treatment.
In subsection (2), for “subsection (1)” substitute .“ subsections (1) to (1D) ”