11.—(1) (a) The determining authority shall have discretion to review an award of compensation to a whole-time officer under this Part of this Schedule at intervals of not less than six months and to increase it or decrease it in the light of any change in the circumstances of the case, so however that no review shall, save in exceptional circumstances, be made later than two years after the date of the decision of the determining authority under paragraph 8 of this Schedule or, if the matter was referred to the tribunal under Regulation 6 of these Regulations, two years after the date of the decision of the tribunal.
(b)A whole-time officer may, at intervals of not less than six months, request the determining authority to review an award made to him under this Part of this Schedule if he considers that there has been a material change in the circumstances to which regard was had when the award was made, so however that no such request shall, save in exceptional circumstances, be made later than two years after the date of the decision of the determining authority under paragraph 8 of this Schedule or, if the matter was referred to the tribunal under Regulation 6 of these Regulations, two years after the date of the decision of the tribunal.
(2) The determining authority shall forthwith notify in writing the whole-time officer and, unless in relation to the officer they are the paying authority, the paying authority of their decision on any review under sub-paragraph (1) of this paragraph.
(3) Regulation 6 of these Regulations shall apply to a decision of the determining authority on any review under this paragraph or to the amount of compensation awarded by such decision as it applies to a decision or to the amount of compensation referred to in the said Regulation.
(4) If a whole-time officer to whom compensation is awarded under this Part of this Schedule is appointed to another office within the said period of two years, he shall immediately notify the determining authority in writing of his appointment.