11.—(1) Sections 6 to 10 shall not apply to a ship which at the time of the discharge or escape of oil from the ship, or at the time the relevant threat of contamination arose, as the case may be, was registered in a country —
(a)
which was neither a Liability Convention country nor a country that is a party to the International Convention on Civil Liability for Oil Pollution Damage 1969; and
(b)
which was a country in respect of which the 1957 Convention was in force.
(2) If the Minister, by order published in the Gazette, declares that any country —
(a)
is neither a Liability Convention country nor a country that is a party to the International Convention on Civil Liability for Oil Pollution Damage 1969; and
(b)
is a country in respect of which the 1957 Convention is in force,
or that it was such a country at a time specified in the order, the order shall, while in force, be conclusive evidence of the facts stated in the order.
(3) In this section, “the 1957 Convention” means the International Convention relating to the Limitation of the Liability of Owners of Sea-going Ships signed in Brussels on 10th October 1957.