At the moment, regular railroad freight is carried out between Russia and Kazakhstan, Estonia, Belarus, Lithuania, Poland, South Ossetia and Abkhazia. Russia also trades with 14 Western countries. These shipments have to be supported by documentation in regards of regulations of Convention concerning International Carriage by Rail COTIF, which also regulates responsibility for damage or loss of goods and CIM. These documents were signed by 33 countries from Asia, Europe and North Africa. In addition, Mongolia, China, Vietnam, Turkey and a number of other countries have signed an agreement on international freight traffic (SMGS).