What Is The OIG Hotline?
What Is The OIG Hotline? For instructions on filing a tip on a CLASSIFIED matter, call 1-800-447-8477. Who operates the OIG Hotline? OIG Hotline Operations is a component of the OIG, Office of Investigations, overseeing several hotlines through which complaints and information are received. What do I report to OIG? You may report waste, fraud,