E. Occasionally an informative Note is includeb. These notes may be used to indicate such things as a T or P NM being cancelled by the promulgation of that particular chart update, when other charts affected by the source information will be updated in due course e.g. by Block or New Edition, and when the NM affects๐"Certain Copies only"
"Certain Copies only" means that some charts have already been corrected for information contained in the Notice to Mariners. For whatever reason, it is important to know that you must always write the number of the Notice to Mariners in the bottom left hand corner of the chat even when your chart con taind the information reported in the Notice to Mariners.