The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government. 19 CFR Parts 0-140 may be helpful in preparations for the Customs Broker Examination for licensing. Additionally, the Harmonized Tarriff Schedule may also be helpful for preparations for this examination as a prerequisite for licensing. TheHarmonized Tariff Schedules of the United States Annotated for Statistical Reporting Purposes 28th Edition 2016 print subscriptioncan be found here: https: //bookstore.gpo.gov/products/sku/949-032-00000-1 --2016 Basic Manual-CD-ROM formatcan be found here: https: //bookstore.gpo.gov/products/sku/749-003-00031-6CFR Title 19, Parts 0-140 includes vessels in foreign and domestic trade, articles conditionally free, subject to a reduced rate, etc., customs warehouses, container stations, and control of merchandise herein, rules of origin, customs brokers, CBP bonds, air commerce regulations, express consignments, quotas, country of origin marking, and more.