I7.—(1) A serviceman who ceased to serve as a regular policeman in order to undertake a period of relevant service in the armed forces shall be entitled to reckon that period as pensionable service in his former force except that so much, if any, of that period as fell before 5th July 1948 shall not be so reckonable under this paragraph.
(2) A serviceman (1939–1945) shall also be entitled so to reckon as pensionable service—
(a)such further period as the Secretary of State may fix or has fixed, not exceeding 3 months after the end of his period of relevant service in the armed forces and before becoming a member of a police force, and
(b)any period of approved service under the former Acts reckonable by him immediately before 5th July 1948. (3) The reference in paragraph (2)(b) to approved service reckonable under the former Acts shall be construed as provided in Regulation F1(2) in the case of such a reference in Part F.