54(1)Where a review officer authorises continued detention the officer must inform the detainee—
(a)of any of the detainee’s rights under paragraph 29 or 30 (in the case of a detainee in England, Wales or Northern Ireland), or paragraph 37 (in the case of a detainee in Scotland), which have not yet been exercised, and
(b)if the exercise of any of those rights is being delayed in accordance with the provisions of paragraph 31 or 37, of the fact that it is being delayed.
(2)Where a review of a detainee’s detention is being carried out at a time when the detainee’s exercise of a right under paragraph 29 or 30 (in the case of a detainee in England, Wales or Northern Ireland), or paragraph 37 (in the case of a detainee in Scotland), is being delayed—
(a)the review officer must consider whether the reason or reasons for which the delay was authorised continue to subsist, and
(b)if in the review officer’s opinion the reason or reasons have ceased to subsist, the review officer must inform the officer who authorised the delay of that opinion (unless the review officer was that officer).