Rule 121 — Positive Idenfication

1. (a)The person initiating a radio communication and the responding party must establish positive identification. The initial call must commence with the railway company initials of the person being called. In addition, when a non-railway company person is calling on a company’s channels, they must use their company’s name to identify themselves within the initial transmission.
2. (b)The person initiating the radio communication must end the initial call with the spoken word “OVER.”
3. (c)Each party to a radio communication must end their final transmission with the spoken word “OUT.”
4. (d)When an authority is requested from the RTC or signalman, communication must include the information required for the issuance of the authority. E.g. name, location, movement designation, required limits, signal number and/or track(s) to be used or entered.

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