Page:United States Statutes at Large Volume 70.djvu/630

 574

PUBLIC LAW 728-JULY 18, 1956

[70 S T A T.

"§ 1406. Immunity of witnesses "Whenever in the judgment of a United States attorney the testimony of any witness, or the production of books, papers, or other evidence by any witness, in any case or proceeding before any grand jury or court of the United States involving any violation of— "(1) any provision of part I or part II of subchapter A of 4762."^^ '^^^ ^' chapter 39 of the Internal Revenue Code of 1954 the penalty for Ante. p. 568. which is provided in subsection (a) or (b) of section 7237 of such Code, "(2) subsection (c), (h), or (i) of section 2 of the Narcotic ^y4nte, pp. 5 7 0, Drugs Import and Export Act, as amended (21 U.S.C. sec. 174), or "(3) the Act of July 11, 1941, as amended (21 IT. S. C, sec. J^fen-^vl-. . 184a), IS necessary to the public interest, he, upon the approval of the Attorney General, shall make application to the court that the witness shall be instructed to testify or produce evidence subject to the provisions of this section, and upon order of the court such witness shall not be excused from testifying or from producing books, papers, or other evidence on the ground that the testimony or evidence required of him may tend to incriminate him or subject him to a penalty or forfeiture. But no such witness shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter, or thing concerning which he is compelled, after having claimed his privilege against self-incrimination, to testify or produce evidence, nor shall testimony so compelled be used as evidence in any criminal proceeding (except prosecution described in the next sentence) against him in any court. No witness shall be exempt under this section from prosecution for perjury or contempt committed while giving testimony or producing evidence under compulsion as provided in this section. "§ 1407. Border crossings—narcotic addicts and violators "(a) In order further to give effect to the obligations of the United States pursuant to the Hague convention of 1912, proclaimed as a treaty on March 3, 1915 (38 Stat. 1912), and the limitation convention 48 Stat. 1543. of 1931, proclaimed as a treaty on July 10, 1933 (48 Stat. 1571), and in order to facilitate more effective control of the international traffic in narcotic drugs, and to prevent the spread of drug addiction, no citizen of the United States who is addicted to or uses narcotic drugs, as 26 USC 4731. defined in section 4731 of the Internal Revenue Code of 1954, as amended (except a person using such narcotic drugs as a result of sickness or accident or injury and to whom such narcotic drug is being furnished, prescribed, or administered in good faith by a duly licensed physician in attendance upon such person, in the course of his professional practice) or who has been convicted of a violation of any of the narcotic or mariliuana hiws of the United States, or of any State thereof, the penalty for which is imprisonment for more than one year, shall depart from or enter into or attempt to depart from or enter into the United States, unless such person registers, under such rules and reguhitions as may be prescribed by the Secretary of the Treasury with a customs official, agent, or employee at a point of entry or a border customs station. I^nless otherwise prohibited by law or Federal regulation such customs official, agent, or employee shall issue a certificate to any such person departing from the United States; and such person shall, upon returning to the United States, surrender such certificate to the customs official, agent, or employee present at the port of entry or border customs station.

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