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

Research Assistance & Help With Related Topics

If you need assistance with international customs law research, visit the Research Help page of the Georgetown University Law Library's website. Or contact the Law Library's International and Foreign Law Department by phone (202 662-4195) or by email (  Georgetown Law Center students may schedule a one-on-one research consultation with a librarian.

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.

Customs Law

Questions? Need Help? Contact the International & Foreign Law Dept.

International & Foreign
Legal Research

(202) 662-4195

Request a Research Consultation


Update History

  • Links updated 04/2022 (chb)
  • Updated 08/2019 (chb)
  • Revised 05/2016 (chb)
  • Revised 04/2012 (tmv)
  • Links checked 08/2008 (ras)
  • Revised 06/2006 (aeb)