1.—(1) Except in a case to which sub-paragraph (2) applies, the annual amount of the lower tier ill–health pension to which a person is entitled on ill–health retirement shall be calculated by multiplying his pensionable service by his final pensionable pay and dividing the resultant amount by 60.
(2) Where a person is subject to ill–health retirement, the annual amount of his lower tier ill–health pension shall be calculated by multiplying his pensionable service by his reference pay and dividing the resultant amount by 60.
(3) For the purposes of sub-paragraph (2)—
(a)“reference pay” means the annual pay that he would have received if he had been a whole-time firefighter of equivalent role and length of service; and
(b)the pensionable service of a retained firefighter is the same proportion of whole-time service as that which his actual annual pensionable pay bears to his reference pay.