The basic parts of a business letter are as follows:

Parts of a Business Letter - Business Communications Wiki

Map at

1. Letterhead and/or sender's information, including name, street
address, city, state, zip code

2. Date line
Date of composition
3. Inside address
Receiver's name, title, street address, city, state z p
4. Salutation
Dear Title Name
5. Body
Information paragraphs
6. Complimentary closing
For example: Best regards
7. Signature
Signed name
8. Typed name
Complete first, middle, last name. Often more formal than the signed
9. Title
May be on the previous line, if short
10. Additional information
Composer and/or stenographer's initials, copy distribution list,
postscripts, other items as relevant)