PUBLIC LAWS-CHT. 645-JUNE 25, 1948 Ante, pp. 738, 739. determine whether the material when offered is in proper condition to transport. Such regulations, as well as all changes or modifications thereof, shall, unless a shorter time is authorized by the commission, take effect ninety days after their formulation and publication by said commis- sion and shall be in effect until reversed, set aside, or modified. In the execution of sections 831-835 of this title the Interstate Com- merce Commission may utilize the services of the Bureau for the Safe Transportation of Explosives and Other Dangerous Articles, and may avail itself of the advice and assistance of any department, commission, or board of the Government, but no official or employee of the United States shall receive any additional compensation for such service except as now permitted by law. Whoever knowingly violates any such regulation shall be fined not more than $1,000 or imprisoned not more than one year, or both; and, if the death or bodily injury of any person results from such violation, shall be fined not more than $10,000 or imprisoned not more than ten years, or both. CHAPTER 41-EXTORTION AND THREATS Sec. 871. Threats against President. 872. Extortion by officers or employees of the United States. 873. Blackmail. 874. Kickbacks from public works employees. 875. Interstate communications. 876. Mailing threatening communications. 877. Mailing threatening communications from foreign country. § 871. THREATS AGAINST PRESIDENT Whoever knowingly and willfully deposits for conveyance in the mail or for delivery from any post office or by any letter carrier any letter, paper, writing, print, missive, or document containing any threat to take the life of or to inflict bodily harm upon the President of the United States, or knowingly and willfully otherwise makes any such threat against the President, shall be fined not more than $1,000 or imprisoned not more than five years, or both. § 872. EXTORTION BY OFFICERS OR EMPLOYEES OF THE UNITED STATES Whoever, being an officer, or employee of the United States or any department or agency thereof, or representing himself to be or assum- ing to act as such under color or pretense of office or employment, commits or attempts an act of extortion, shall be fined not more than $5,000 or imprisoned not more than three years, or both; but if the amount so extorted or demanded does not exceed $100, he shall be fined not more than $500 or imprisoned not more than one year, or both. § 873. BLACKMAIL Whoever, under a threat of informing, or as a consideration for not informing, against any violation of any law of the United States, demands or receives any money or other valuable thing, shall be fined not more than $2,000 or imprisoned not more than one year, or both. § 874. KICKBACKS FROM PUBLIC WORKS EMPLOYEES Whoever, by force, intimidation, or threat of procuring dismissal from employment, or by any other manner whatsoever induces any person employed in the construction, prosecution, completion or repair of any public building, public work, or building or work financed in whole or in part by loans or grants from the United States, to give up any part of the compensation to which he is entitled under his contract of employment, shall be fined not more than $5,000 or imprisoned not more than five years, or both. 740 [62 STAT.
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