The logical place for notations such as Personal, Confidential, Registered or Hand-delivered is at the left margin, just below the date line, where the reader would probably look first upon opening the letter. Such notations may be in capital letters or with an initial capital and boldface.
© Public Works and Government Services Canada, 2013
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
Writing Tools – The Canadian Style
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