HTS Revisions
Every revision of the 2026 Harmonized Tariff Schedule, broken down: which Chapter 99 headings changed, when, and which imports are affected.
2026 HTS Revision 20: Pharma Tariff List and R&D Exemption
2026 HTS Revision 20 grew the Section 232 pharmaceutical tariff list to 149 lines and exempted clinical trial and R&D use (9903.04.70) from September 29, 2026.
· 3 min read
2026 HTS Revision 19: Section 338 Canada Lists Expanded
2026 HTS Revision 19 widened the 50% Section 338 tariff on Canada from September 15, 2026, adding furniture, cheese and boats and stacking it on Section 232.
· 3 min read
2026 HTS Revision 18: Section 232 Drone Tariffs, Beef Quota
2026 HTS Revision 18 added Section 232 drone tariffs of 25% or 100% from September 3, 2026, plus a 300,000-ton lean beef quota and Section 301 code fixes.
· 4 min read
2026 HTS Revision 17: 50% Section 338 Tariff on Canada
2026 HTS Revision 17 added a 50% Section 338 tariff on about 550 listed Canadian products from August 22, 2026, owed even when USMCA is claimed.
· 3 min read
2026 HTS Revision 16: Section 201 Quartz Safeguard Tariff
2026 HTS Revision 16 added a Section 201 safeguard on quartz countertops and slabs from August 15, 2026: 25% within the quarterly quota, 50% above it.
· 3 min read
2026 HTS Revision 15: UK Patented Pharmaceuticals Cut to 0%
2026 HTS Revision 15 (August 3, 2026) cut the Section 232 tariff on UK patented pharmaceuticals under 9903.04.63 from 10% to 0%, back to July 31.
· 2 min read
2026 HTS Revision 14: 100% Section 232 Pharmaceutical Tariff
2026 HTS Revision 14 (July 31, 2026) added the Section 232 pharmaceutical tariff: 100% on patented drugs, 15% for the EU and Japan, generics exempt.
· 3 min read
2026 HTS Revision 13: Forced-Labor Tariffs Replace Section 122
2026 HTS Revision 13 (July 28, 2026): Section 122 ended July 23, and Section 301 forced-labor tariffs of 10% or 12.5% on 59 countries and the EU began July 24.
· 4 min read
2026 HTS Revision 12: 25% Section 301 Tariff on Brazil
2026 HTS Revision 12 (July 21, 2026) adds a 25% Section 301 tariff on products of Brazil from July 22, 2026, with exemptions for coffee, aircraft and 232 goods.
· 3 min read
2026 HTS Revision 11: Section 122 Fix for 9903.82.02 Steel
2026 HTS Revision 11 (July 1, 2026) restores the Section 122 exemption for 9903.82.02 steel and aluminum back to April 6, so June 2026 entries owed no 10%.
· 3 min read
2026 HTS Revision 10: Section 232 Metals Overhaul, 85% Rule
2026 HTS Revision 10 (June 8, 2026) restructures Section 232 steel and aluminum tariffs: 10-15% rates for many parts, 7 new 9903.82 headings, an 85% rule.
· 4 min read
2026 HTS Revision 9: Taiwan Auto Parts and Wood Capped at 15%
2026 HTS Revision 9 (May 28, 2026) caps Section 232 tariffs on Taiwan auto parts and wood furniture at 15% from May 1, and exempts Taiwan aircraft parts.
· 3 min read
2026 HTS Revision 8: Truck Parts Offset, No Rate Changes
2026 HTS Revision 8 (May 22, 2026) changed no tariff rates. It makes the 25% Section 232 duty on truck and bus parts subject to a Commerce import offset.
· 2 min read
2026 HTS Revision 7: 10% Section 232 Rate for Copper Cable
2026 HTS Revision 7 (April 29, 2026) lets U.S.-smelted copper wire and cable pay the 10% Section 232 rate instead of 25%, retroactive to April 6, 2026.
· 3 min read
2026 HTS Revisions: Every Revision and What It Changed
All 20 revisions of the 2026 Harmonized Tariff Schedule, with the dates each was in force and what each changed, from Section 232 pharma to Section 338 Canada.
· 2 min read
See what duty applied on a past date
Pick an entry date and HTS Hero calculates the duty that applied on that day, from the HTS revision in force at the time. Free, with no account.
What you get
- Verified rates for entries back to Nov 2025
- See how a product's duty changed over time
- Every rate tied to its Chapter 99 heading and source