Railway Interswitching Regulations

9.1 If a siding is located wholly or partly within interswitching distance zone 5 and the point of connection with the siding is more than 40 km from an interchange along the line of track of a terminal carrier, the interswitching rate for each car is increased for each kilometre over 40 km by an amount equal to the rate per kilometre set out in item 5, column IV or V, as the case may be, of the schedule.