The document provides an overview of the US tax whistleblower program. It discusses that the estimated US tax gap is $450 billion per year and awards are based on collected tax proceeds between 15-30%. It also summarizes statistics on claims received, awards paid, and amounts collected in recent years. The document outlines the process for filing a claim, opportunities for administrative and judicial appeal, and guidance available. It notes other considerations like confidentiality and potential criminal implications. Finally, it provides recommendations for tax whistleblower attorneys.