1. For the purpose of these regulations, the expression “recognised officer” means
(a)by a local authority and, though not a chief officer or deputy chief officer, is treated by that authority as a chief officer or deputy chief officer by reason of the importance of his employment by that authority and is by resolution of that authority, passed before 28th February 1974, designated a recognised officer, or
1.
(b)by a superannuation joint committee as a whole-time clerk, secretary, deputy clerk or deputy secretary;
and in either case his salary on the date on which he gives notice of election is not less than two-thirds of the salary of the comparable chief officer, as determined in accordance with the succeeding provisions of this Schedule.