PUBLIC LAW 101-624—NOV. 28, 1990 104 STAT. 3665 national organizations, domestic or foreign nongovernmental organizations, colleges, and universities, the Secretary shall attempt to identify those areas which, because of their imminent threat to agriculture, are in particular need of immediate attention in terms of supporting and promoting the prevention or control of plant and animal pests and diseases in the Western Hemisphere. (d) TERMS AND CONDITIONS OF THE EXCHANGE.— (1) REGULATIONS. —Not later than 180 days after the date of enactment of this Act, the Secretary shall issue regulations to implement this section. Such regulations shall include provisions— (A) that describe the general terms and conditions necessary for any proposed exchange to gain approval under paragraph (2); and (B) to protect against the use of any assistance provided under subsection 0?) that is contrary to the provisions of this section. (2) OTHER ASSISTANCE.—Grants made under this section are intended to supplement, and not to be a substitute for, any assistance that is otherwise available to a foreign country from the Department of Agriculture. (3) PROHIBITION.—The Department of Agriculture is prohibited from accepting any title or interest in any project or program under this section, or any interest accrued on the amount of the grant, as a condition of the debt-for-health-andprotection swap, (e) AUTHORIZATION OF APPROPRIATIONS.—T here are authorized to be appropriated such sums as may be necessary to carry out this section. Subtitle B—Shipping Provisions SEC. 1521. EXEMPTION OF AMERICAN GREAT LAKES VESSELS FROM 46 USC app. RESTRICTION ON CARRIAGE OF PREFERENCE CARGOES. ^24Iq. (a) EXEMPTION FROM RESTRICTION. —The restriction described in subsection (b) shall not apply to an American Great Lakes vessel while it is so designated. (b) RESTRICTION DESCRIBED. —The restriction referred to in subsection (a) is the restriction in section 901(b)(l) of the Merchant Marine Act, 1936 (46 U.S.C. App. 1241(b)(1)), that a vessel that is— (1) built outside the United States; (2) rebuilt outside the United States; or (3) documented under any foreign registry; shall not be a privately owned United States-flag commercial vessel under that section until the vessel is documented under the laws of the United States for a period of 3 years.
(c) SUBSEQUENT APPLICATION OF RESTRICTION. — Upon the revocation or termination of a designation of a vessel as an American Great Lakes vessel, the restriction described in subsection (b) shall apply as if the vessel had never been a vessel documented under the laws of the United States. SEC. 1522. DESIGNATION OF AMERICAN GREAT LAKES VESSELS. 46 USC app. (a) IN GENERAL.— The Secretary shall designate a vessel as an American Great Lakes vessel for purposes of this subtitle if—
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