On October 1, 2018, U.S. Customs and Border Protection published an updated Merchandise Processing Fee (MPF) and Preferential Trade Program table.
The table provides importers with guidance on how MPF is treated on shipments subject to either free trade agreements, special trade legislation programs, and over-quota tariff rate quota goods.
Cargo System Messaging Service #18-000579 may be found here:
https://csms.cbp.gov/viewmssg.asp?Recid=23789&page=&srch_argv=&srchtype=&btype=&sortby=&sby=
The table may be found here:
https://www.cbp.gov/document/guidance/merchandise-processing-fee-mpf-table