Printable Complaint Form - Unpaid Wages, Minimum Wage, and Overtime Complaints. Wage Complaint Form I Spanish I Polish; ​Certificate of Service for Wage Claim.This sample letter has choices to help you build your letter. When you write, pick the words that describe your situation. In this post, we discuss the ERISA claim process, appealing your ERISA claim, filing an ERISA complaint, when to hire an attorney, and more. Draft your letter on both e mail and your word processing program. If you absolutely must create a handwritten letter make sure your handwriting is neat. Describe the next issue, and alleged ERISA violation, in the format set forth above. Filing a Consumer Complaint. Consumer Action offers a sample complaint letter and an email complaint template.