| R55-12-16 | List of remarks for the Task Force on Agricultural Couplings | |
| R55-12-17 | Chronological agricultural couplings | |
| R55-12-19/Rev.1 | UN R55: Revised working draft proposal for allowable performance values | |
| R55-12-13 | UN R55: Worst-case physical testing | |
| R55-12-10 | UN R55: Proposal for restructuring provisions on vehicle combination applications | |
| R55-12-23 | UN R55: Revised working draft proposal for allowable performance values | |
| R55-12-18 | Application for an amendments of UN R55 | |
| R55-12-19/Rev.1 | UN R55: Revised working draft proposal for allowable performance values | |
| R55-12-03 | Working draft proposal to amend UN R55 with regard to vehicle combination applications | |
| R55-12-03 | Working draft proposal to amend UN R55 with regard to vehicle combination applications |