You must comply with this standard if you intend to manufacture or modify a heavy vehicle that will be used in a B-double or road train. This standard specifies the requirements for couplings on vehicles with vacuum systems or air pressure systems.
A code of practice is a set of rules which details how people in a certain industry should behave. A code of practice can be defined as a result of legislation or by industry regulators and bodies.
Heavy Vehicle National Law (South Australia) Act 2013 South Australia
National Heavy Vehicle Regulator
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