Download and complete the Attorney General's Office Complaint Form. Here's a sample to help you write a complaint letter about a product or service.Please describe your complaint below, including a detailed description of the facts, circumstances, and timeline regarding your transaction. This form is for Complaints specific to a verification or general Complaints about the SLCP process. To file a complaint against a company with poor customer service, you can: 1. Contact the company's customer service or escalation department. 6- Fill out the application. Developed were collected. Consumer Action offers a sample complaint letter and an email complaint template. You can cut and paste these documents below.