On June 12, 2020, the U.S. Trade Representative (USTR) published Federal Register (FR) Notice 85 FR 35975 on certain exclusions from the Section 301 duty related to goods from China ($300B Action – Tranche 4).
There are 34 product specific exclusions and will retroactively apply as of the September 1, 2019 effective date of the $300 billion action (Tranche 4A), and will extend through September 1, 2020.
More information can be found here:
https://content.govdelivery.com/bulletins/gd/USDHSCBP-2922f2c?wgt_ref=USDHSCBP_WIDGET_2
https://content.govdelivery.com/bulletins/gd/USDHSCBP-2922f2c?wgt_ref=USDHSCBP_WIDGET_2