Thank customer for the order and reiterate the terms of the agreement to avoid any future misunderstandings.
1234, Main Street
Boston, MA 02123
08 April, 2005
<Recipient Address Goes Here>
Thank you for <nature of business>. Our understanding is as follows:
- <terms of agreement>
<Optional invoice paragraph.>
I'll call you <when you'll call> <how to proceed>. We look forward to doing business with you.
encl: <List of enclosed items goes here>