TREASURY ORDER: 150-10
BY ORDER OF THE SECRETARY OF THE TREASURY
DATE: April 22, 1982
ADMINISTRATIVE EDIT: February 25, 2016
SUBJECT: Delegation--Responsibility for Internal Revenue Laws
By virtue of the authority vested in me as Secretary of the Treasury, including the authority in the Internal Revenue Code and 31 U.S.C. § 321 , it is hereby ordered:
1. The Commissioner of Internal Revenue shall be responsible for the administration and enforcement of the Internal Revenue laws.
2. Commissioner Order No. 190 and General Counsel Order No. 4 state the powers delegated to the Chief Counsel for the Internal Revenue Service.
3. All outstanding orders and delegations of authority relating to the above are modified accordingly.
4. This Order supersedes Treasury Department Order No. 150-37 dated March 17, 1955.
Donald T. Regan Secretary of the Treasury