Part 4: Police Powers Chapter 5: Maritime Enforcement: English and Welsh Offences Section 85: Restriction on exercise of maritime enforcement powers
Subsection (1) sets out that the authority of the Secretary of State is required before a law enforcement officer exercises any of the maritime enforcement powers provided for in section 84 in relation to a UK ship in foreign waters.
	Subsection (2) provides that the Secretary of State may only provide an authority under subsection (1) where the consent of the State or relevant territory in whose waters the powers would be used has been obtained.
	Similarly, subsection (3) requires that the authority of the Secretary of State is needed before these powers are used in the territorial waters of England and Wales or international waters in respect of a foreign ship, or a ship registered under the law of a relevant territory.
	Subsection (4) sets out the specific circumstances where the Secretary of State may give an authority under subsection (3). These restrictions ensure that the powers are aligned with the UN Convention on the Law of the Sea.