(1) The vehicles stencilled or labelled ‘Not to be loose shunted’, or such other vehicles or any vehicle when loaded with certain commodities specified under special instructions shall not be loose shunted or hump-shunted nor shall other vehicles be loose shunted against them. The list of such vehicles and commodities shall be specified from time to time under special instructions.
(2) No vehicle may be loose shunted unless it is provided with an efficient hand brake or is attached to a vehicle fitted with an efficient brake, and until a competent railway servant is available to apply brakes when necessary and to avoid dashing with force against other vehicles.
(3) Loose shunting shall not be permitted on running lines or on a line which leads to a running line.
(4) Loose shunting of vehicles shall not be permitted on lines if the gradient is one in four hundred or steeper, and during bad weather impairing visibility.