4 1 Regulation 22 shall be amended as follows.
2 In paragraph (1), for sub-paragraph (c) there shall be substituted—

“(c) a person appointed by a chief officer of police, for the purpose of testing—
(i) members of the police force of which he is the chief officer and persons employed by the police authority for the same police area for the purpose of assisting that force, and,
(ii) members of another police force and persons employed by a police authority for another police area for the purpose of assisting that force.”

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3 After paragraph (3) there shall be inserted—

“3A In the case of an application made by a chief officer of police for the purposes of sub-paragraph (c) of paragraph (1), the licensing authority may grant his approval under paragraph (3) in respect of the testing of all the persons mentioned in that sub-paragraph or only in respect of the testing of the persons mentioned in paragraph (i) thereof.”

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