If you wish to submit your complaint form via US mail, please complete, print and sign the Printable Complaint Form and submit it to: Here's a sample to help you write a complaint letter about a product or service.The Division of Human Rights complaint form is available at the below link. You may use this form to file and submit your complaint online. 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. The forms can be filled in on the computer. Consumer Action offers a sample complaint letter and an email complaint template. You can cut and paste these documents below. Forms ; Complaint Verification.