ADDITIONAL AUTHORITY FOR BUREAU OF NARCOTICS AND BUREAU OF CUSTOMS.

SEC. 104. ADDITIONAL AUTHORITY FOR BUREAU OF NARCOTICS AND BUREAU OF CUSTOMS. (a) In General.— Subchapter A of chapter 78 of the Internal Revenue Code of 1954 (discovery of liability and enforcement of title) is amended by renumbering section 7607 as section 7608 and by inserting after section 7606 the following new section: “SEC. 7607. ADDITIONAL AUTHORITY FOR BUREAU OF NARCOTICS AND BUREAU OF CUSTOMS. “The Commissioner, Deputy Commissioner, Assistant to the Commissioner, and agents, of the Bureau of Narcotics of the Department of the Treasury, and officers of the customs (as defined in section 401 (1) of the Tariff Act of 1930, as amended; 19 U. S. C., sec. 1401 (1)), may— “(1) carry firearms, execute and serve search warrants and arrest warrants, and serve subpenas and summonses issued under the authority of the United States, and “(2) make arrests without warrant for violations of any law of the United States relating to narcotic drugs (as defined in section 4731) or marihuana (as defined in section 4761) where the violation is committed in the presence of the person making the arrest or where such person has reasonable grounds to believe that the person to be arrested has committed or is committing such violation.” (b) Amendment of Table of Sections.— The table of sections for subchapter A of chapter 78 is amended by striking out “Sec. 7607. Cross references.” and inserting in lieu thereof “Sec. 7607. Additional authority for Bureau of Narcotics and Bureau of Customs. “Sec. 7608. Cross references.”