Upon discovering a possible improper inspection or disclosure of federal tax information (FTI), including breaches and security incidents, by a federal employee, a state employee or any other person, the individual observing or receiving information must contact the office of the appropriate Treasury Inspector General for Tax Administration (TIGTA) special agent-in-charge immediately, but no later than 24 hours after identification of a possible issue involving FTI. Call the local TIGTA Field Division Office first. The local TIGTA field office locations are listed on the TIGTA website. If unable to contact the local TIGTA Field Division, call the Hotline Number: 800-366-4484 TIGTA website Mailing Address: Treasury Inspector General for Tax Administration Ben Franklin Station P.O. Box 589 Washington, DC 20044-0589
