114 STAT. 2174 PUBLIC LAW 106-476—NOV. 9, 2000 (c) DEVELOPMENT OF ALTERNATIVE SOURCES OF GUM ARABIC— The President shall utilize such authority as is available to the President to promote the development in countries other than Sudan of alternative sources of the highest grade of gum arabic in raw form of sufficient commercial quality to be utilized in products intended for human consumption. (d) DEFINITION. —In this section, the term "gum arabic in raw form" means gum arabic of the type described in subheadings 1301.20.00 and 1301.90.90 of the Harmonized Tariff Schedule of the United States. SEC. 1465. CUSTOMS SERVICES AT THE DETROIT METROPOLITAN AIR- PORT. The Commissioner of the Customs Service shall re-implement the policy in effect prior to January 1, 1999, at the Detroit Metropolitan Airport to provide services at remote locations of the Airport, except that such services shall be provided only on a reimbursable basis. Subtitle C—Effective Date 19 USC 58c note. SEC. 1471. EFFECTIVE DATE. Except as otherwise provided in this title, the amendments made by this title shall apply with respect to goods entered, or withdrawn from warehouse, for consumption, on or after the 15th day after the date of the enactment of this Act. TITLE II—OTHER TRADE PROVISIONS SEC. 2001. TRADE ADJUSTMENT ASSISTANCE FOR CERTAIN WORKERS AFFECTED BY ENVIRONMENTAL REMEDIATION OR CLO- SURE OF A COPPER MINING FACILITY. (a) CERTIFICATION OF ELIGIBILITY FOR WORKERS REQUIRED FOR CLOSURE OF FACILITY. — (1) IN GENERAL. —Notwithstanding any other provision of law or any decision by the Secretary of Labor denying certification or eligibility for certification for adjustment assistance under title II of the Trade Act of 1974, a qualified worker described in paragraph (2) shall be certified by the Secretary as eligible to apply for adjustment assistance under such title II. (2) QUALIFIED WORKER.—For purposes of this subsection, a "qualified worker" means a worker who— (A) was employed at the copper mining facility ref- erenced in Trade Adjustment Assistance Certification TAW-31,402 during any part of the period covered by that certification and was separated from employment after the expiration of that certification; and (B) was necessary for the environmental remediation or closure of such mining facility. (b) EFFECTIVE DATE.—The amendment made by this section shall take efiect on the date of the enactment of this Act.