Sch 20B para 26
(1) Where a person to whom paragraph 24 applies is released on licence under paragraph 25(2), the licence shall remain in force until the date on which the person would (but for the release) have served two-thirds of the sentence. (2) Sub-paragraph (1) is subject to any revocation under section 254. (3) Sub-paragraphs (1) and (2) apply in place of section 249 (duration of licence).