18.—(1) In the case of an officer to whom this Part of these regulations applies and who is not a pensionable officer, the compensating authority may, on his attaining normal retiring age, if they are satisfied that he would in the normal course have continued in the employment he has lost for a substantial period beyond that age, continue to pay compensation to him for the remainder of his life at half its former rate.
(2) In the case of such an officer who suffers loss of employment on or after attaining normal retiring age, the compensating authority may, if they are satisfied that he would in the normal course have continued in the employment he has lost for a further substantial period, pay compensation to him for the remainder of his life at half the rate to which he would have been entitled under regulation 15 of these regulations had he not attained normal retiring age at the date on which he lost his employment.