Dynamic name search: Find 5500s even if the plan sponsor's name changed. Plan administrators are required to provide notices to pension plan participants, including annual notices of pension plan funding and deferred vested letters.The fastest way to find your retirement plan is to log into your account. On the welcome screen, your plan name and number are under "Your retirement plan(s).". 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. On March 28, 2024, Washington State's Governor, Jay Inslee, signed into law a bill that creates a new staterun retirement program called "Washington Saves." If you have questions and need help in completing this form, please call the IRS Help Desk at 877-829-5500. 200 Constitution Ave. Pressing enter in the search box will also bring you to search results.