| UN R13 Heavy-Duty Braking | Heavy-Duty Vehicle Braking | Uniform Provisions Concerning the Approval of Vehicles of Categories M, N and O with regard to Braking Heavy-Duty Braking Heavy-Duty Vehicle Braking UN Regulation No. 13 UN R13 | UNR | 13 | |
| UN R13-H Light Vehicle Braking | Light-Duty Vehicle Braking | Uniform Provisions Concerning the Approval of Passenger Cars with regard to Braking Light Vehicle Braking Light-Duty Vehicle Braking UN Regulation No. 13-H UN R13-H | UNR | 13 |