You are welcome to answer questions posted in the Ask a Teacher forum as long as your suggestions, help, and advice reflect a good understanding of the English language. If you are not a teacher, you will need to state that clearly at the top of your post. Please note, all posts are moderated by our in-house language experts, so make sure your suggestions, help, and advice house the kind of information an international language teacher would offer. If not, and your posts do not contribute to the topic in a positive way, they will be subject to deletion.
The following information is from The Writing Center Guide to Business Letters:
If the letter is being typed by someone other than the person who wrote and signed it, the writer's initials should be given in capital letters, followed by a slash and the typist's initials in lower case letter: MT/fjr. When using multiple abbreviations, each one should appear on a separate line.
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