II 116th CONGRESS 1st Session S. 439 IN THE SENATE OF THE UNITED STATES February 12, 2019 Mr. Braun introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs A BILL To allow Members of Congress to opt out of the Federal Employees Retirement System, and allow Members who opt out of the Federal Employees Retirement System to continue to participate in the Thrift Savings Plan.