33(1)This paragraph applies to patients who at the commencement of this Act are liable to be detained or subject to guardianship by virtue of paragraph 31 or 32 above.U.K.
(2)Authority for the detention or guardianship of the patient may on the expiration of the relevant period, unless the patient has previously been discharged, be renewed for a further period of two years.
(3)Sections 20(3) to (10) and 66(1)(f) of this Act shall apply in relation to the renewal of authority for the detention or guardianship of a patient under this paragraph as they apply in relation to the renewal of authority for the detention or guardianship of the patient under section 20(2).
(4)In this paragraph “the relevant period” means—
(a)in relation to a patient liable to be detained or subject to guardianship by virtue of the said paragraph 31, the period of his treatment referred to in that paragraph;
(b)in relation to a patient detained by virtue of the said paragraph 32, the period for which authority for the detention or guardianship of the patient has been renewed under paragraph 11 of Schedule 6 to the 1959 Act;
(c)in relation to a patient the authority for whose detention or guardianship has previously been renewed under this paragraph, the latest period for which it has been so renewed.