72 S T A T. ]
P U B U C LAW 8 5 - 7 2 6 - A U G. 23, 1968
failure to institute such proceedings; or deposit of a bond in such amount and with such sureties as the Board or Administrator may prescribe, conditioned upon the payment of the penalty or the amount agreed upon in compromise. (4) The Supreme Court of the United States, and under its direction other courts of the United States, may prescribe rules regulating such proceedings in any particular not provided by law. VIOLATIONS or SECTTION 1109
SEC. 904. (a) Any person who (1) violates any eptry or clearance regulation made under section 1109(c) of this Act, or (2) any immigration regulations made under such section, shall be subject to a civil penalty of $500 which may be remitted or mitigated by the Secretary of the Treasury, or the Attorney General, respectivelv, in accordance with such proceedings as the Secretary or Attorney General shall by regulation prescribe. Any person violating any customs regulation made under section 1109 (D) of this Act, or any provision of the customs or public-health laws or regulations thereunder made applicable to aircraft by regulation under such section shall be subject to a civil penalty of $500, and any aircraft used in connection with any such violation shall be subject to seizure and forfeiture as provided for in such customs laws, which penalty and forfeiture may be remitted or mitigated by the Secretary of the Treasury. In case the violation is by the OAvner or person in command of the aircraft, the penalty shall be a lien against the aircraft. Any person violating any provision of the laws and regulations relating to animal and plant quarantine made applicable to civil air navigation by regulation in accordance with section 1109(d) of this Act shall be subject to the same penalties as those provided by the said laws for violations thereof. Any civil penalty imposed under this section may be collected by proceedings in personam against the person subject to the penalty and/or in case the penalty is a lien, by proceedings in rem against the aircraft. Such proceedings shall conform as nearly as may be to civil suits in admiralty; except that either party may demand trial by jury of any issue of fact, if the value in controversy exceeds $20, and facts so tried shall not be reexamined other than in accordance with the rules of the common law. The fact that in a libel in rem the seizure is made at a place not upon the high seas or navigable waters of the United States, shall not be held in any way to limit the requirement of the conformity of the proceedings to civil suits in rem in admiralty. The Supreme Court of the United States, and under its direction other courts of the United States, are authorized to prescribe rules regulating such proceedings in any particular not provided by law. The determination under this section as to the remission or mitigation of a civil penalty imposed under this section shall be final. I n case libel proceedings are pending at any time during the pendency of remission or mitigation proceedings, the Secretary or Attorney General shall give notice thereof to the United States attorney prosecuting the libel proceedings. (b) Any aircraft subject to a lien for any civil penalty imposed under this section may be summarily seized by and placed m the custody of such persons as the appropriate Secretary or Attorney General may by regulation prescribe and a report of the case thereupon transmitted to the United States attorney for the judicial district in which the seizure is made. The United States attorney shall promptly institute proceedings for the enforcement of the lien or notify the Secretary of his failure so to act. The aircraft shall be released from such custody upon (1) payment of the penalty or so much thereof as is not remitted or mitigated, (2) seizure in pursuance of process of any court in proceedings in rem for enforcement of the lien, or no-
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