At least once every 6 months, the Comptroller General shall designate each officer and employee of the Government Accountability Office by name and title to whom returns, return information, or records or property of the Service or either Bureau that can identify a particular taxpayer may be made available. Each designation or a certified copy of the designation shall be sent to the Committee on Finance of the Senate, the Committee on Ways and Means of the House of Representatives, the Committee on Governmental Affairs of the Senate, the Committee on Government Operations of the House, the Joint Committee on Taxation, the Commissioner of Internal Revenue, the Tax and Trade Bureau, Department of the Treasury, and the Director of the Bureau of Alcohol, Tobacco, Firearms, and Explosives, Department of Justice.

Except as expressly provided by law, an officer or employee of the Office may make known information derived from a record or property of, or in use by, the Service or either Bureau that can identify a particular taxpayer only to another officer or employee of the Office whose duties or powers require that the record or property be made known.