Rule 566.1 — Signal Indication Suspended While Switching

1. (a)A crew may be authorized to manually operate specific dual control switches at a controlled location, as prescribed by Rule 104.2, paragraph (d). Such authority must be included with work authority, as prescribed by Rule 566 or 567. The indications of signals governing operation over such switches may be considered suspended while switches are in the “hand” position, but only while switching is being performed at the designated controlled location. Signal indication or Rule 564 must authorize the train or transfer into the controlled location, before being issued the Rule 566/566.1 authority. Verbal permission may be given to manually operate specific dual control switches within the limits of Rules 566 or 567 authority that did not include Rule 566.1 authority for those switches.
2. (b)When switching is to be performed over a spring switch, which is included in the limits of a work authority prescribed by Rule 566 or 567, the indication of the signal governing operation over such switch may be considered suspended, if the switch is properly lined.
3. (c)When switching is to be performed at a controlled location that includes only a hand operated switch, which is included in the limits of a work authority prescribed by Rule 566 or 567, the indication of the signal governing operation through the controlled location may be considered suspended but only when switching is being performed through that switch.

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