Here's a sample to help you write a complaint letter about a product or service. FREE complaint form templates that you can edit and use online, including your website.✓No coding is required. Ways to File a Consumer Complaint Online: Submit your complaint online. Note: You do NOT need to create an account to file a complaint with DCWP. We'll guide you to create a customer complaints form to enhance customer service and build a loyal customer base for your business. Use our library of 25 email templates to help you nail your next customer interaction, improve your customer service and leave a long-lasting impression. Use our library of 25 email templates to help you nail your next customer interaction, improve your customer service and leave a long-lasting impression. IN THE MATTER OF R.X., a minor. Submitted December 19, 2007 - Decided -.