Rule 204. Train orders must be addressed to those who are to execute or observe them, naming the place at which each is to receive his copy. Train orders addressed to trains must be regarded as addressed to Conductors, Engineers, and Pilots. A copy for each person addressed must be supplied by the Operator. Train orders addressed to Operators, restricting the movement of trains, must be respected by Conductors and Engineers the same as if addressed to them. Conductors and engineers must require Brakemen and Firemen to know the contents of all train orders.
Source: The Grand Trunk Railway System, Operating Rules and General Regulations. Effective June 18. 1911.