4. After regulation 40, insert the following regulation—
40A.—(1) A chief inspector who, for a period of 2 months or more, has performed the duties of superintendent shall be temporarily promoted to the rank of superintendent.
(2) A member temporarily promoted in accordance with paragraph (1) shall revert to the rank of chief inspector when he is no longer required to perform those duties.
(3) A member shall, while temporarily promoted to the rank of superintendent, be paid at the point on the pay scale of superintendents which would have applied in his case if the promotion had not been temporary.”.