Regulation 57C Movement of ships
(1) A port entry direction or a movement direction may be given by the Secretary of State to the master or pilot of -
(a) a ship owned, controlled, chartered or operated by a designated person,
(b) a ship owned, controlled, chartered or operated by persons connected with Russia,
c) a ship registered in Russia,
(d) a ship flying the flag of Russia, or
(2) The Secretary of State may direct a harbour authority to take such steps as are reasonably practicable to secure that a ship mentioned in paragraph (1) -
(a) proceeds to or enters a port specified in the direction,
(b) leaves a port specified in the direction,
(c) proceeds to a place specified in the direction, or
(d) remains where it is.
(3) It is an offence for a person to whom a direction is given under this regulation to fail to comply with the direction.