7. Regulation E19(2)(a) shall have effect as if after the words “40 years” there were inserted the words ‘or, in the case of an existing officer who is not a pensionable employee to whom regulation 50 of the 1981 regulations applied, and who, before attaining the age of 65 years, has become entitled to reckon 45 years as reckonable service in relation to the employment, the day preceding the date on which he attained that age’.