18.—(1) Subject to articles 19 and 22, the gratuity payable under article 17(2), “the appropriate amount” is calculated in accordance with the following formula—
CY + AD × GR
Where—
CY is complete years’ service;
AD is any additional days calculated at a rate of 1/365th for each day served; and
GR is the relevant gratuity rate as set out in the pension codes.
(2) In paragraph (1), “relevant gratuity rate” means, as the case may be, the rate set out for—
(a)a veterinary officer;
(b)a medical or dental officer;
(c)a cadet or person who is not a registered medical or dental practitioner; or
(d)any other person.