The records of the U.S. Court of International Trade are still maintained by the court, pending their accession by the National Archives. They will be included with the records of the court's predecessors, the U.S. Customs Court and the Board of General Appraisers, among Record Group 321 at the:
National Archives at New York City
One Bowling Green, 3rd Floor
New York, New York 10004
A guide to the holdings of the regional archives is available at: https://www.archives.gov/nyc/holdings
A published description of the records is also available in the Guide to Federal Records in the National Archives of the United States, 1995 (http://www.archives.gov/research/guide-fed-records/index.html ).