Learn about the ERISA Audit and benefit plan audit services offered to Detroit and Michigan 401k plan sponsors - JLK Rosenberger - Detroit ERISA Audit. Dynamic name search: Find 5500s even if the plan sponsor's name changed.We administer retirement programs for Michigan's state employees, public school employees, judges, state police, and National Guard members. Use the links on the right of this page to learn more about how to search for unclaimed retirement benefits and steps to take before contacting PBGC. ERISA provides that the following retirement plan documents must be retained for at least six years from the date the Form 5500 filing is due:. If you are not in PBGC's unclaimed retirement benefit database, you can find information about your pension plan that may help you locate your benefit. Former employees can perform a secure database search to determine if they may be entitled to any unpaid retirement account money. It applies only to retired members of a pension system. The 5500 was filled out incorrectly, which delayed its acceptance. The Schipper Law Group offers ERISA, healthcare, welfar, and pension benefits lawyer representation for participants and beneficiaries throughout Michigan.