46.This section provides that a justice of the peace may issue a warrant to enable an authorised officer to enter a premises used wholly or mainly as a dwelling in certain circumstances. A warrant may be issued only where the justice of the peace is satisfied that there are reasonable grounds to believe that an offence has been committed at the premises, and that it is necessary to enter the premises for the purpose of establishing whether such an offence has been committed. Entry may be obtained by force if need be. This section applies to a vehicle as if it were premises.