Code of Federal Regulations, Title 19, Customs Duties, Pt. 0-140, Revised as of April 1, 2018

Code of Federal Regulations, Title 19, Customs Duties, Parts 0-140, includes rules, regulations, procedures, and administrative procedures associated with U.S. Customs and Border Protection, the Department of Homeland Security, the Department of the Treasury, customs, customs brokers, CPB Bonds, cargo container certifications, air commerce regulations, trademarks/tradenames/copyrights, and more.
Other related products:
Harmonized Tariff Schedules of the United States Annotated for Statistical Reporting Purposes 29th Edition 2018is available here: https://bookstore.gpo.gov/products/harmonized-tariff-schedules-annotated-statistical-reportingpurposed-30th-edition-2018--CD-ROM format,2018edition available here: https://bookstore.gpo.gov/products/basic-2018-harmonized-tariff-schedule-cd-rom
2018 Code of Federal Regulations, Title 19, Customs Duties, Pt. 200-End, Revised as of April 1, 2017 -Print Paperback formatavailable here:http://ducts/cfr-title-19-pt-200-end-code-federal-regulationspaper2018

Basic Guide to Exporting, 11th editioncan be found here: https://bookstore.gpo.gov/products/basic-guide-exporting-official-us-government-resource-small-and-medium-sized-businesses

Preparing Your Business for Global E-Commerce: A Guide for U.S. Companies To Manage Operations, Inventory, and Payment Issuesis available here: https://bookstore.gpo.gov/products/preparing-your-business-e-commerce-2nd-edition

46 CFR Parts 90-139, Revised as of October 1, 2017can be found here:https://bookstore.gpo.gov/products/cfr-title-46-pt-90-139-code-federal-regulationspaper-201-7