The Government Accountability Office (GAO) report that was released last week stating that GAO undercover agents were able to obtain health insurance and premium subsidies through using fictitious identities. Had a functional subsidy verification entity been in place, this would not have happened. The House Ways and Means Committee reviewed the GAO report during a hearing last week. In the letter, the Senators ask Secretary Burwell what her plan is to ensure that the exchanges run a fully functioning income verification system in the future.