Closing the Letter. Choose a Closing: One must use a proper closing in a business letter. Use a comma (,) after it. Sign the Letter: Always sign the letter in ink. If sending a printed copy, always affix the scanned signature. Make Note of Enclosure: One must properly enclose a list of attached documents with the letter. One can use the abbreviation of the enclosure, i.e., Encl. or Enc.
Signing an Uploaded or Mailed Cover Letter. If you're uploading your cover letter to a job site, your signature will simply include a closing and your full name. Place a comma after your close, such as Best, or Sincerely yours, and then put your name on the line below. When you're sending a written letter include a closing, your handwritten signature, and your typed full name. Leave several spaces between the close and your typed name. That way, you'll have room for your signature when you print out the letter. Sign using either blue or black ink.