| R55-07-19 | UN Regulation No. 55 revision: Proposal for worst-case physical testing | |
| R55-10-22 | KBA proposal for definition of alternative values in UN R55 communication | |
| R55-10-08 | Proposal for amendments to UN Regulation No. 55 | |
| R55-09-07 | KBA change request for R55 class definitions | |
| R55-10-18 | Waiting list of GRRF request concerning the update of UN R55 | |
| R55-10-20 | UN Regulation No. 55 revision: Proposal for worst-case physical testing | |
| R55-09-20 | Mechanical couplings: Wedge diagram |