26 U.S.C. § 7801 - U.S. Code - Unannotated Title 26. Internal Revenue Code § 7801. Authority of Department of the Treasury

(A) In general.--The administration and enforcement of the following provisions of this title shall be performed by or under the supervision of the Attorney General; and the term “Secretary” or “Secretary of the Treasury” shall, when applied to those provisions, mean the Attorney General; and the term “internal revenue officer” shall, when applied to those provisions, mean any officer of the Bureau of Alcohol, Tobacco, Firearms, and Explosives so designated by the Attorney General:

(B) Use of existing rulings and interpretations.--Nothing in the Homeland Security Act of 2002 alters or repeals the rulings and interpretations of the Bureau of Alcohol, Tobacco, and Firearms in effect on the effective date of such Act, which concern the provisions of this title referred to in subparagraph (A). The Attorney General shall consult with the Secretary to achieve uniformity and consistency in administering provisions under chapter 53 of title 26, United States Code.