CUSTOMS SITES	U. S. Customs and Border Protection (CBP) The World Wide Web site of  U.S. Customs and Border Protection. Info about importing and exporting, enforcement activities, and travel. You can even report smuggling!
	Harmonized Tariff Schedule of the United States International Trade Commission's on-line version of the Harmonized Tariff Schedule of the United States.
	Secretary of Economy (SECON) of Mexico Offers information and documentation relating to international trade in Mexico, including trade programs such as PITEX, PROSEC, and the maquiladora industry. U.S. Code of Federal Regulations (CFR) Provides on-line access to Title 19, Customs Duties, which pertains to import/export. Canada Customs Tariff Documents from the Canada Border Services Agency Canada NAFTA Rules of Origin Ammended September 1st, 2009. Documents from the Canada Border Services Agency Mexican Tariff Documents from the Mexican Ministry of the Economy NAFTA MX Rules of Origin - DOF 10/1/2009
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HELPFUL LINKS	Units of Measure Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices
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DOCUMENTS	Bulletins Listing (In Spanish) Electronic Signature Directive 3810  New acceptable formats for the NAFTA Certificate of Origin Adjustments to NAFTA Rules September 03, 2009 - #173 Presidential Proclamation Adjusts NAFTA Rules of Origin  Outlined in Annexes I and II of publication 4095 are the modifications to the NAFTA rules of origin Outlined in Annexes I and II of publication 4095 are the modifications to the NAFTA rules of origin under General Note 12 of the HTS which, according to Proclamation 8405, have been agreed upon by Canada, United States, and Mexico. Annex III makes technical corrections to the HTS in order to fully conform it to the Convention mentioned in Proclamation 8097.   Per Proclamation 8405, the modifications listed in ITC publication 4095 will become effective on October 1, 200