Part 4: Police Powers Chapter 5: Maritime Enforcement: English and Welsh Offences Section 92: Maritime enforcement powers: other supplementary provision
Subsection (1) provides that a law enforcement officer may take other persons ("assistants") or equipment or materials on board a ship to assist them in exercising the powers set out in this Chapter. Subsection (3) makes clear that the assistant may perform functions on behalf of the constable or officer if under the supervision of the officer.
	Subsection (2) allows the officer to, if necessary, use reasonable force in performing any of the functions under this Chapter.
	Subsection (4) provides that, if asked to do so, a law enforcement officer must provide evidence of their authority. That evidence may be in the form of a warrant, badge or written authorisation.