10. Any pressure system being carried in a vehicle if the vehicle is engaged in an international transport operation within the meaning of the Convention concerning International Carriage by Rail(1) as revised or reissued from time to time (COTIF) and such carriage conforms in every respect either–
(a)to the provisions of the Uniform Rules concerning the Contract for International Carriage of Goods by Rail (CIM) which forms Appendix B to that Convention and to the regulations (RID) made thereunder; or
(b)to the conditions determined by an agreement relating to such carriage between the United Kingdom and another State under Article 5(2) of CIM.
Cmnd. 8535.