Georgetown Law
Georgetown Law Library

Customs Law Research Guide

This guide details sources for researching international customs law, including sources from international organizations and major trade agreements.


Customs law covers tariffs and other measures that are used to regulate the flow of goods into and out of a country.  This research guide focuses on international customs law, including treaties and internationally recognized standards, such as the Harmonized System for the classification of goods.  It also covers national customs laws and regulations enacted by jurisdictions outside the United States.

Key Resources for International Customs Law Research

Help With Related Topics

For information about U.S. customs law, consult the Law Library's Customs Law (U.S.) Research Guide.  For help in researching the broader topic of international trade law, consult the Law Library's International Trade Law Research Guide.

If you have questions, please feel free to contact the Wolff Library reference desk by phone at 202-662-4195 or by email at: For in-depth assistance, Georgetown Law students may request a research consultation with a librarian via this online form.

Customs Law

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