9902.03.91
Phytosphingosine ((2S,3S,4R)-2-amino-1,3,4-octadecanetriol) (CAS No. 13552-11-9) (provided for in subheading 2922.19.96)
Duty rates
- General (MFN)
- Free
- Special programs
- No change
- Column 2 (non-MFN)
- No change
“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)