Cap. 65 Art. 15CCMedicinals.

For the purposes of articles 15BA, 15CA and 15CB,

persons in possession of a valid drug control card or who are on prescribed medication shall produce such card or prescription after having tested positive to a drug test. The possession of such documentation shall not preclude conducting further tests to ascertain whether the person concerned has taken any controlled substance in accordance with the Dangerous Drugs Ordinance, nor shall it exempt such person from criminal responsibility.