19 U.S.C. § 537 — Officers, informers, and defendants as wit-

Page 59 TITLE 19—CUSTOMS DUTIES § 577 § 536. Repealed. June 17, 1930, ch. 497, title IV, § 651(a)(1), 46 Stat. 762, eff. June 18, 1930 Section, act Sept. 21, 1922, ch. 356, title IV, § 621, 42 Stat. 988, related to limitation of actions for penalties or forfeitures. Corresponding provisions of Tariff Act of 1930, see section 1621 of this title. § 537. Officers, informers, and defendants as wit- nesses No officer, or other person entitled to or claiming compensation under any provision of Act June 22, 1874 (chapter 391, 18 Statutes 188) shall be thereby disqualified from becoming a witness in any action, suit, or proceeding for the recovery, mitigation, or remission thereof, but shall be subject to examination and cross-exam- ination in like manner with other witnesses, without being thereby deprived of any right, title, share, or interest in any fine, penalty, or forfeiture to which such examination may re- late; and in every such case the defendant or de- fendants may appear and testify and be exam- ined and cross-examined in like manner. (June 22, 1874, ch. 391, § 8, 18 Stat. 188.) Editorial Notes REFERENCES IN TEXT Section 4 of Act June 22, 1874, referred to in text, pro- viding for compensation to officers of the customs or other persons detecting goods being smuggled, was re- pealed by act Sept. 21, 1922, ch. 356, title IV, § 643, 42 Stat. 989. For corresponding provisions in the Tariff Act of 1930, see section 1619 of this title. §§ 538, 539. Repealed. June 17, 1930, ch. 497, title IV, § 651(a)(1), 46 Stat. 762, eff. June 18, 1930 Sections, act Sept. 21, 1922, ch. 356, title IV, §§ 622, 623, 42 Stat. 988, related to extensions of time and general rules and regulations. Provisions of Tariff Act of 1930 corresponding to sec- tion 538, see section 1318 of this title; section 539, see section 1624 of this title. § 540. President may use suitable vessels for en- forcing customs laws In the execution of laws providing for the col- lection of duties on imports and tonnage, the President, in addition to the Coast Guard vessels in service, may employ in aid thereof such other suitable vessels as may, in his judgment, be re- quired. (R.S. § 5318; Jan. 28, 1915, ch. 20, § 1, 38 Stat. 800; Aug. 4, 1949, ch. 393, §§ 1, 20, 63 Stat. 496, 561.) Editorial Notes CODIFICATION R.S. § 5318 derived from act July 13, 1861, ch. 3, § 7, 12 Stat. 257. Statutory Notes and Related Subsidiaries TRANSFER OF FUNCTIONS For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relat- ing thereto, to the Department of Homeland Security, and for treatment of related references, see sections 468(b), 551(d), 552(d), and 557 of Title 6, Domestic Secu- rity, and the Department of Homeland Security Reor- ganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6. ‘‘Coast Guard vessels’’ substituted in text for ‘‘rev- enue-cutters’’, the Revenue Cutter Service and the Life-Saving Service having been combined to form the Coast Guard by section 1 of act Jan. 28, 1915. That act was repealed by section 20 of act Aug. 4, 1949, section 1 of which reestablished the Coast Guard by enacting Title 14, Coast Guard. Executive Documents DELEGATION OF FUNCTIONS For delegation to Secretary of the Treasury of au- thority vested in President by this section, see section 1(i) of Ex. Ord. No. 10289, Sept. 17, 1951, 16 F.R. 9499, as amended, set out as a note under section 301 of Title 3, The President. §§ 541, 542. Repealed. Aug. 2, 1956, ch. 887, § 4(a)(29), (30), 70 Stat. 948 Section 541, R.S. § 2763, authorized use of small boats for use of customs officials. Section 542, act Feb. 10, 1913, ch. 35, 37 Stat. 665, au- thorized Secretary of the Treasury to use the motor- boat provided for Corpus Christi, Texas. PART 6—GENERAL PROVISIONS §§ 571 to 573. Repealed. June 17, 1930, ch. 497, title IV, § 651(a)(1), 46 Stat. 762, eff. June 18, 1930 Sections, act Sept. 21, 1922, ch. 356, title III, §§ 320, 321, title IV, § 641, 42 Stat. 947, 989, related to provisions as to effect of repeals, Treaty with Cuba and certain laws unaffected. Provisions of Tariff Act of 1930 corresponding to sec- tion 571, see section 1651(c) of this title; section 572, see section 1316 of this title; section 573, none. § 574. Exemption from taking other oaths Nothing contained in title 34 of the Revised Statutes shall be construed to exempt the mas- ters or owners of vessels from making and sub- scribing any oaths required by any laws of the United States not immediately relating to the collection of the duties on the importation of merchandise into the United States. (R.S. § 3094.) Editorial Notes REFERENCES IN TEXT Title 34 of the Revised Statutes, referred to in text, was in the original ‘‘this Title’’, meaning title 34 of the Revised Statutes, consisting of R.S. §§ 2517 to 3129. For complete classification of R.S. §§ 2517 to 3129 to the Code, see Tables. CODIFICATION R.S. § 3094 derived from act Mar. 2, 1799, ch. 22, § 110, 1 Stat. 703. §§ 575, 576. Repealed. June 17, 1930, ch. 497, title IV, § 651(a)(1), 46 Stat. 762, eff. June 18, 1930 Sections, act Sept. 21, 1922, ch. 356, title IV, §§ 645, 647, 42 Stat. 990, related to effect of partial invalidity and citation of chapter. Provisions of Tariff Act of 1930 corresponding to sec- tion 575, see section 1652 of this title. § 577. Repealed. Oct. 31, 1951, ch. 655, § 56(d), 65 Stat. 729 Section, act Mar. 8, 1902, ch. 140, § 8, 32 Stat. 55, made, ‘‘except as otherwise provided by law’’, the provisions