On December 21, 2017, U.S. Customs and Border Protection (CBP) announced Harmonized System Update (HSU) 1708 in Cargo Systems Messaging Service (CSMS) #17-000793.
The update contains 33,859 ABI records and 6,591 harmonized tariffs, including updates to the annual special program rate reductions for Free Trade Agreements. CBP is awaiting final legislation to make additional updates and will update their system once final approval has been granted.
The CSMS can be found here:
https://apps.cbp.gov/csms/viewmssg.asp?Recid=23191&page=&srch_argv=17-000793&srchtype=all&btype=&sortby=&sby=