As Generalized System of Preferences (GSP) trade program, which is set to expire on December 31, 2020. U.S. Customs and Border Protection (CBP) is providing guidance via recently published Cargo Systems Messaging Service (CSMS)
According to the CSMS notice, “GSP eligible goods entered or withdrawn from warehouse need to pay ‘General’ (column 1) duty rates effective January 1, 2021, 12:00 am.” The notice indicates that while the Special Program Indicators (SPI) of “A”, “A+”, and “A*” may continue to be claimed, column 1 duty rates will be applied.
Once GSP is renewed CBP will retroactive and automatically refund applicable duties paid to all entries transmitted with one of the GSP SPIs.
The CSMS notice can be found here: