Inactive Tutor answered 06/03/19
Let me get you started...
First, define your purpose. Do you want them to pay you, or are you reminding them of your payment?
If you don't have a direct person you are talking to, begin with...
To Whom It May Concern:
If you do know the person, use the last name and a colon.
Lastname:
Why are you contacting them?
To Whom It May Concern:
I am contacting you regarding ... .
I would need more information in order to help you further. Please, don't hesitate to message me about this.