Rule 302 — Clearance Required

1. (a)Except within cautionary limits, a train or transfer must be authorized by a clearance to foul or enter a track where OCS rules are applicable.
2. (b)A clearance will be sent direct to the crew of the train or transfer addressed. Before the clearance is acted upon the conductor and locomotive engineer must, as soon as possible, ensure that each is in possession of the clearance and their train or transfer is correctly designated. Engine number must be verified visually to ensure correctness.

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