Document ID: chunk:federal_register_of_legislation:F2025C00113:front:0:p9
Version: federal_register_of_legislation:F2025C00113
Segment Type: other
Provision Reference: 
Character Range: 24909–28049

Proportioning Brake System'.
 1.                               Each 'Unique' trailer 'Service Brake System' must be shown by either testing in accordance with clauses 10 and 13 or by the calculation based on data for 'Approved' components in accordance with clause 18, to meet the requirements of clause 13.1.
 2.                               Trailers fitted with a 'Variable Proportioning Brake System', including an electronically controlled brake force distribution system (including for example as part of a 'Vehicle Stability Function'), must meet the requirements of APPENDIX 1.
 1.                                     Electrical connector, electric 'Control Line', 'Antilock System' and 'Vehicle Stability Function' requirements
     1.                               Except as set out in clause 7.2.1.1 below, trailers must be equipped on each 'Axle Group' with an 'Antilock System' which meets the requirements of APPENDIX 2.
         1.                         A 'Converter Dolly' and any trailer fitted with an 'Axle Group' arrangement consisting of more than four tyres in a row of 'Axles' or more than four 'Axles' in an 'Axle Group', need not be equipped with an 'Antilock System'.
             1.                   Where a trailer is not equipped with an 'Antilock System' (only if permitted by clause 7.2.1.1 above) or a 'Variable Proportioning Brake System', the information on the Vehicle Plate referred to in ADR 61/... must include the words ― "THIS VEHICLE IS NOT FITTED WITH ANTILOCK BRAKES OR VARIABLE PROPORTIONING BRAKES".
             2.                   Where a trailer is not equipped with an 'Antilock System' (only if permitted by clause 7.2.1.1 above), but is fitted with a 'Variable Proportioning Brake System', the information on the Vehicle Plate referred to in ADR 61/... must include the words ― "THIS VEHICLE IS NOT FITTED WITH ANTILOCK BRAKES".
         2.                         Notwithstanding clause 7.2.1.1 above, the requirements of APPENDIX 2 must also be met if an 'Antilock System' is fitted to a 'Converter Dolly' or any trailer fitted with an 'Axle Group' arrangement consisting of more than four tyres in a row of 'Axles' or more than four 'Axles' in an 'Axle Group'.
     2.                               Except as set out in clause 7.2.2.1 below, category TD trailers must be equipped with a 'Vehicle Stability Function' which includes at least 'Roll-over Control' and meets the requirements of APPENDIX 3.
         1.                         A 'Converter Dolly' and any trailer fitted with an 'Axle Group' arrangement consisting of more than four tyres in a row of 'Axles' or more than four 'Axles' in an 'Axle Group', need not be equipped with a 'Vehicle Stability Function'.  If a 'Vehicle Stability Function' is fitted to such a trailer, this function may be manually disabled, provided this does not adversely affect the performance of any 'Antilock System', the power supply to any towed trailer(s) and/or the transmission of any electric 'Control Signal'.
     3.                               Trailers equipped with an electric 'Control Line', an 'Antilock System', or a 'Vehicle