“Dear Madam Secretary” (to a woman Cabinet officer)
or
“Dear Mrs. Jones” (to a woman Member of the House of Representatives)
but
“Dear Senator Smith” (to a woman member of the Senate)
When it is not known whether the addressee is a man or a woman the prefix “Mr.” is always
used; when it is not known whether a woman is married, “Miss” is used rather than “Mrs.”, although
is recent years some agencies use “Ms.” when it is known that a woman prefers that title. “Ms.” is
not used, however, in diplomatic or official correspondence.
In official correspondence the titles of top-ranking government officials (e.g., the President,
Vice President, Chief Justice, Secretary, Ambassador) are never used with individual’s surname.
It is then essential to follow carefully, in the body of the letter and its end, the prescribed
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