Import duty / Chapter 50
7 headings and 9 tariff lines in section XI; 5 lines clear duty-free under USMCA for North American origin goods. Each heading lists its lines with the published US and Canadian rates, verified October 2026.
Silk-worm cocoons suitable for reeling
1 line · 1 USMCA-free
Raw silk (not thrown)
1 line · 1 USMCA-free
Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)
1 line · 0 USMCA-free
Silk; yarn (other than yarn spun from silk waste), not put up for retail sale
1 line · 1 USMCA-free
Yarn spun from silk waste, not put up for retail sale
1 line · 1 USMCA-free
Silk yarn and yarn spun from silk waste, put up for retail sale; silk-worm gut
1 line · 0 USMCA-free
Woven fabrics of silk or of silk waste
3 lines · 1 USMCA-free
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
