183Rights of entry: constables
(1)A constable who suspects with reasonable cause that any person is committing or has committed an offence under section 28, 39 or 154 may, at any reasonable time, enter any land or premises for the purpose of obtaining evidence of the offence.
(2)A sheriff or a justice of the peace may by warrant authorise a constable authorised to exercise the power conferred by subsection (1) to do so, if necessary using reasonable force, in accordance with the warrant.
(3)A warrant may be granted under subsection (2) only if the sheriff or justice is satisfied, by evidence on oath, that there are reasonable grounds for suspecting that an offence under section 28, 39 or, as the case may be, 154 is being or has been committed in relation to the land or premises concerned.