Add an enclosure notation after your signature at the end of the letter, and abbreviate it with "Enc." or "Encl. If you are enclosing materials with your business letter, you'll need an enclosure notiation.Learn more with our enclosure letter sample. You could say, "the following items are enclosed:". You could also say, "please find the enclosed items listed below:" and then list the items. I have enclosed some brochures to provide you with more information about the NFB and the Imagination Fund, as well as a March for Independence business card. You could say, "the following items are enclosed:". You could also say, "please find the enclosed items listed below:" and then list the items. See a list of other early voting sites in Wake County that will follow the same schedule. Be completely filled out.