UN R55 informal group proposal for:

1. An amendment for the separation of the procedures to verify towable mass from the procedure of setting and certifying performance values;
2. An amendment that adds procedures to verify towable mass for vehicle combinations that have hitherto not been accounted for in the Regulation;
3. Amendments that adds integrated fixing points for secondary couplings;
4. An amendment that clarifies the procedure to identify worst cases for certification testing;
5. Amendments that removes typos in the current Regulation.