Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock
()
or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
SUBJECT: Organization and Functions of the Internal Revenue Service
CANCELLATION DATE: May 02, 2006
REASON FOR CANCELLATION: Treasury Directive 21-01, date August 5, 1999 sets forth the procedures for bureau organizational changes, replaces Treasury Order 150-02. Treasury Order 150-02 is cancelled.