Accepts reports from the public of alleged tax law violations, such as individuals or businesses that have failed to file income, sales, or property tax forms, or have intentionally submitted inaccurate or incomplete information.

Takes reports and investigates suspected cases of violations of tax laws committed by individuals or business and including abusive tax promotions and promoters and abusive CPAs, attorneys or enrolled agents.

Provides a hotline that the public can use to report, usually anonymously, individuals or businesses that have failed to file taxes or have intentionally submitted inaccurate or incomplete information.

Provides online tools for reporting phone, email, and online scams involving the US Department of Treasury or individuals pretending to be government employees.

Provides a hotline that the public can use to report, usually anonymously, individuals or businesses that have failed to file taxes or have intentionally submitted inaccurate or incomplete information.

Provides a hotline that the public can use to report, usually anonymously, individuals or businesses that have failed to file taxes or have intentionally submitted inaccurate or incomplete information.