316. Powers of entry.

316.     Powers of entry.

An enforcement officer1 may be empowered to enter premises2 for the purpose of ascertaining whether there has been any contravention of the statutory prohibitions on the unlicensed activities of gangmasters3. Entry may be effected only by warrant, which a justice of the peace may issue if he is satisfied by written information on oath that there are reasonable grounds for entering the premises for the stated purpose4 and that the warrant is otherwise necessary in order to secure entry or to achieve that purpose5. Entry may, where necessary, be achieved by the use