(2) If a constable has reasonable grounds to suspect that a person is in possession of a controlled drug in contravention of the Act, the constable may -


- search that person, and detain him for the purpose of searching him;

- search any vehicle or vessel in which the constable suspects that the drug may be found, and for that purpose require the person in control to stop it;

- seize and detain anything found in the course of the search which appears to the constable to be evidence of an offence under the Act.


(4) A person commits an offence if he -


- intentionally obstructs a person in the exercise of his powers under this section; or

- conceals from a person acting in the exercise of his powers under subsection (1) above any such books, documents, stocks or drugs as are mentioned in that subsection; or

- without reasonable excuse (proof of which shall lie on him) fails to produce any such books or documents as are so mentioned where their production is demanded by a person in the exercise of his power under that subsection.