Whales Protection Act 1988

An authorized officer may arrest without warrant –

any person referred to in section 18(1) who – fails or refuses, on demand, to give his name and the address of his place of abode; or gives any name or address that the authorized officer has reasonable grounds for believing is false; or any person referred to in section 20(5) who does not deliver up to that authorized officer, on demand, any thing in his possession or under his control, that the authorized officer is entitled to seize under this Act.