Rule 140 — Changes After Becoming Effective

1. (i)an address is added to a GBO , the number and the applicable portion of the GBO address must be repeated to and verified by the RTC ;
2. (ii)a time or location to call the RTC is indicated on a clearance, TOP or other authority, such time or location may be changed as required. When so changed, the employee copying must draw a line through the previous time or location;
3. (iii)a computer assisted system is used to issue GBO , the effective time and/or date may be removed from the GBO in the system after the effective time, and in the application of Rule 43 instructions in the GBO stating “signals may not be in place” may be removed after the foreman confirms that signals have been placed;
4. (iv)speed is changed, the employee copying must draw a line through the current and replace with the revised. The GBO number and revised speed must be repeated to and acknowledged by the RTC ; and
5. (v)a computer-assisted system is used, the limit(s) of a TOP may be changed as required, the employee copying must draw a line through the current location(s) and replace with the revised. The TOP number and revised limits must be repeated to and acknowledged by the RTC .

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