9903.01.16

Except for products described in 9903.01.11, 9903.01.12, and 9903.01.14, articles the product of Canada as provided for in subdivision (m) to note 2 to this subchapter and determined by CBP to have been transshipped to evade applicable duties

Duty rates

General (MFN): The duty provided in the applicable subheading + 40%
Special programs: The duty provided in the applicable subheading
Column 2 (non-MFN): The duty provided in the applicable subheading

“General” applies to imports from most trading partners under normal trade relations. “Special” lists products eligible for reduced or duty-free treatment under programs like GSP, USMCA, CAFTA-DR, or individual free-trade agreements. “Column 2” applies to imports from countries without normal trade relations (currently Cuba and North Korea).

Chapter 99

Temporary legislation; temporary modifications (Section XXII — Special classification and temporary provisions)