If a letter is to be distributed to other people in addition to the recipient, A COPY notation is inserted at the bottom of the letter.
At the end of the last page of a business letter, end notation is usually included which convey information such as the person who type the letter, the materials that are enclosed with the letter and other recipients who are receiving the same letter.
A copy notation, cc, let the recipient of the letter knows the other people who have been sent the same letter.
