Here's a sample to help you write a complaint letter about a product or service. The best way is to write a full report - as much as you like, all details, all your feelings, rants, complaints, personal criticisms of the service-people.See question regarding the difference between the types of names to figure out which one is appropriate for your situation. Include as much detail as possible. To submit a complaint to the HHS Ombudsman, you can: Fill out this online form. Call 866-566-8989 8 a.m. Attorney General of Texas. FREE complaint form templates that you can edit and use online, including your website. âś“No coding is required. The defendant may file a counter-complaint if the complainant has also been involved in some illegal activity.