To amend the Federal Financial Management Improvement Act of 1996 to require the head of an agency to be reconfirmed by the Senate unless the agency is found to be in compliance with the requirements of such Act, as reported by the Comptroller General.

Accountability in Government Act of 2007 - Prohibits a federal agency head from continuing in office without reappointment by the President, with the advice and consent of the Senate, in any case in which the Comptroller General's annual report under the Federal Financial Management Improvement Act of 1996 states that the agency is not in substantial compliance with federal financial management systems requirements, applicable accounting standards, and the U.S. Government Standard Ledger at the transaction level.