Part 3 – POSTCRIPT
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1310 – Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI) – (8 June 2009) - Annex - 6 – Message Format of Navigational Warning - Part 3 – POSTCRIPT

Part 3 – POSTCRIPT

Standard Message Element Reference 8 - CANCELLATION DETAILS

Cancellation details shall be provided in a message that includes a definitive time frame; the cancellation time shall be one hour after the event completes or one day later if the time is not accurately known.
 
A reason for the cancellation should only be included if it is of benefit to the mariner, and can be stated concisely.
 
Cancellations messages may be “stand alone” and only concern the cancellation of a previous message, as in examples A and B below.
 
When cancellation details relating to the subject of the message are included, it is recommended that paragraph numbers are used in order to clearly distinguish between the subject of the message and the cancellation details, as in example C below.
 
The word “MESSAGE” can be abbreviated to MSG.
Examples Comments
A.  
CANCEL NAVAREA IV 123/09 AND THIS MSG.
 
B.
CANCEL ESTONIAN NAV WARN 87/08. ESTONIAN NOTICES TO MARINERS 520/09 REFERS.
 
C.
1. MESSAGE TEXT – EVENT OF KNOWN DURATION. Choose a time for self-cancelling messages (example C) one hour after the event completes or one day later if time is not accurately known.
2. CANCEL THIS MSG DDHHMM UTC MoMoMo YY.  
Parent topic: 6 – Message Format of Navigational Warning
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