12.—(1) This regulation applies to a person who–
(a)receives or received an injury without their own default in the execution of their duty;
(b)ceases or has ceased to be a member of a police force; and
(c)within 12 months of so receiving that injury, becomes or became totally and permanently disabled as a result of that injury.
(2) Subject to the provisions of regulations 22 and 23, the police authority for the force in which a person to whom this regulation applies last served shall pay to that person a gratuity of an amount equal to whichever is the lesser of the following amounts, namely–
(a)five times the annual value of their pensionable pay on their last day of service as a member of a police force; or
(b)the sum of four times their total remuneration during the 12 months ending with their last day of service as a member of a police force and the amount of their aggregate pension contributions in respect of the relevant period of service.
(3) For the purposes of paragraph (2)(b) the amount of aggregate pension contributions in respect of the relevant period of service shall be calculated in the case of a person by whom, immediately before their last day of service as a member of a police force, pension contributions were payable under regulation G2(1) of the 1987 Regulations or would have been so payable but for an election under regulation G4(1) of the 1987 Regulations, in the same way as if the award were one payable under those Regulations, calculated in accordance with regulation A10 of those Regulations.