Subject: unpaid invoice
From: "Customer Service" <[email-masked]>
To: <[email-masked]>
Date: Thu, 12 Jun 2008 16:02:00 -0400

Attached is a copy of an unpaid invoice for your company.  Thank you for your promptness in resolving this matter.  Let me know if you have any questions or if you would like to make a credit card payment by phone.  
Eric D.
Labor Law Poster Service
Phone 877-321-4144
Fax 888-442-4144
[email-masked]