D10.—(1) This regulation applies to a person who—
(a)while a pensionable employee in the whole-time employment of a scheduled body becomes a variable-time employee of any scheduled body, and
(b)while remaining a pensionable employee in the whole-time employment becomes a pensionable employee in the variable-time employment.
(2) A person to whom this regulation applies is entitled to reckon as qualifying service in relation to the variable-time employment any period which, when he became a pensionable employee in the variable-time employment, he was entitled to reckon as reckonable service or qualifying service in relation to the whole-time employment.