HENNERY SMITH
2365 S Mayfield Ave
Chicago, IL 60652
Cell: (123)-555-1234
[Subject: Normally bold, summarizes the intention of the letter] -Optional-
Dear Hennery smith,
This is to inform you that your payment for the month of July for $200 is over due. Please send in the payment if you have not sent it already.
Sincerely,
Ishita joe