Here's a sample to help you write a complaint letter about a product or service. In this post, we discuss the ERISA claim process, appealing your ERISA claim, filing an ERISA complaint, when to hire an attorney, and more.Consumer Action offers a sample complaint letter and an email complaint template. You can cut and paste these documents below. Mark DeBofsky discusses new Developments in ERISA Civil Procedure and offers prediction as to the future course of ERISA litigation. Section XV highlights specific types of ERISA litigation, including developing issues such as employer stock litigation and 401(k) fee litigation, among others. Examination Standards Summary. Student Legal Service; Better Business Bureau; Office of Illinois Attorney General; Consumer Protection Bureau; Chamber of Commerce. A letter is important. Print a non-Medicare complaint form.