On February 26, 2018, U.S. Customs and Border Protection (CBP) announced in Cargo Systems Messaging Service (CSMS) #18-000169 that Harmonized System Update (HSU) 1802 is available.
The HSU contains updates to 164 ABI records and 38 harmonized tariff records. The HSU also includes changes mandated by Presidential Proclamation 9693 that take effect on March 1, 2018, regarding the reporting of certain crystalline silicon photovoltaic cells.
The CSMS may be found here:
https://apps.cbp.gov/csms/viewmssg.asp?Recid=23369&page=&srch_argv=&srchtype=&btype=&sortby=&sby=