8.—(1) This paragraph applies where immediately before the appointed day a patient is detained in hospital and the authority for his detention has been renewed under section 32 of the 1961 Act for a further period of two years which has not expired.N.I.
(2) The patient may be detained in hospital—
(a)if on the appointed day one year or more of the period of two years has expired, for so much of the period of two years as has not expired;
(b)if on the appointed day less than one year of the period of two years has expired, for a period of one year from the date on which the authority was last renewed,
but shall not be so detained for any longer period unless the authority for his detention is renewed under Article 13 as applied by sub-paragraph (3).
(3) This Order (excluding Articles 4 to 11) shall apply to the patient as if he were detained for treatment and as if in Article 13(1)(c) for the reference to sub-paragraph (b) and in Article 13(5) for the reference to paragraph (3) there were substituted a reference to section 32 of the 1961 Act.