40.—(1) This regulation applies if—
(a)a person (P) is in pensionable service in relation to more than one employment, and
(b)each employment is a regular full-time or part-time employment.
(2) P's annual rate of pensionable earnings is found by—
(a)calculating the D value for each employment; and
(b)adding all the D values.
(3) The D value for an employment is FT x C.
(4) FT means the annual rate of pensionable earnings for that employment.
(5) C means