Paragraph 10 F1

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 as revised or reissued from time to time (COTIF) and such carriage conforms in every respect to the provisions of the Uniform Rules concerning the Contract for International Carriage of Goods by Rail (CIM), which form Appendix B to that Convention, and the Regulation concerning the International Carriage of Dangerous Goods by Rail including its Annex (RID), which together form Appendix C to that Convention.