97 STAT. 588 PUBLIC LAW 98-89 —AUG. 26, 1983 § 12110. Limitations on operations authorized by certificates (a) A vessel may not be employed in a trade except a trade covered by the certificate of documentation issued for that vessel. A docu- mented pleasure vessel may be operated only for pleasure. However, a certificate of documentation may be exchanged, under regulations prescribed by the Secretary, for another t3rpe of certificate of docu- mentation or endorsed appropriately for a trade for which the vessel qualifies. (b) A barge qualified to be employed in the coastwise trade may be employed, without being documented, in that trade on rivers, har- bors, lakes (except the Great Lakes), canals, and inland waters. (c) When a vessel is employed in a trade not covered by the certificate of documentation issued for that vessel, or a documented pleasure vessel is operated except for pleasure, the vessel and its equipment are liable to seizure by and forfeiture to the United States Government. (d) A documented vessel may be placed under the command only of a citizen of the United States. § 12111. Invalidation of certiHeates of documentation (a) A certificate of documentation is invalid if the vessel for which it is issued— (1) no longer meets the requirements of this chapter and regulations prescribed under this chapter applicable to that certificate of documentation; or (2) is placed under the command of a person not a citizen of the United States. (b) Except as provided by section 30(0) of the Merchant Marine Act, 1920 (46 App. U.S.C. 961(a)), an invalid certificate of documenta- tion shall be surrendered as provided by regulations prescribed by the Secretary. § 12112. Vessels procured outside the United States (a) The Secretary and the Secretary of State, acting jointly, may provide for the issuance of an appropriate document for a vessel procured outside the United States meeting the ownership require- ments of section 12102 of this title. (b) Subject to limitations the Secretary may prescribe, a vessel for which an appropriate document is issued under this section may proceed to the United States and engage en route in the foreign trade or trade with Guam, American Samoa, Wake, Midway, or Kingman Reef. On the vessel's arrival in the United States, the document shall be surrendered as provided by regulations pre- scribed by the Secretary. (c) A vessel for which a document is issued under this section is Suspension. subject to the jursidiction and laws of the United States. However, the Secretary may suspend for a period of not more than 6 months, the application of a vessel inspection law carried out by the Secre- tary or regulations prescribed under that law if the Secretary considers the suspension to be in the public interest. § 12113. Ports of documentation The Secretary shall designate ports of documentation in the United States at which vessels may be documented and instruments affecting title to, or interest in, documented vessels may be recorded. The Secretary—
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