5.—(1) A person shall not be appointed as a police reserve trainee unless he passes a test for evidence of controlled drugs.
(2) For the purposes of paragraph (1), a person passes a test if—
(a)a sample of his saliva, urine, blood, or hair (other than pubic hair) is taken and tested for evidence of controlled drugs in accordance with such procedures as may be determined by the Secretary of State, and
(b)he is not found to have taken any controlled drugs.
(3) The Chief Constable may specify the circumstances in which a person who provides evidence that he has been subject to drug testing procedures other than those established under paragraph (2) may be deemed to have passed a test for the purposes of paragraph (1).
(4) A determination under paragraph (2) may make different provision for different cases and circumstances.
(5) In this regulation “controlled drug” has the same meaning as in the Misuse of Drugs Act 1971.