Timeline of U.S. Tariff Changes (2025)

Revision 1 (Effective Feb 4-5, 2025)

• New China/Hong Kong Tariffs: Imposed new additional tariffs (initially 10%) on many goods from China and Hong Kong (using HTS heading 9903.01.20).
• Exemptions Created: Added specific codes for exempt items like humanitarian donations (9903.01.21) and informational materials (9903.01.22).
• Transitional Rule: Allowed a short-term exception for goods already in transit before the tariffs began (9903.01.23).

Revision 2 (Effective Feb 5, 2025)

• De Minimis Rule Reversed: Quickly suspended the initial plan to eliminate duty-free treatment for low-value (<$800) shipments from China/Hong Kong subject to the new tariffs by amending U.S. Note 2(s).

Revision 3 (Effective Mar 4 & Mar 6, 2025)

• China/Hong Kong Tariff Increase: Raised the additional tariff rate on targeted Chinese/Hong Kong goods from 10% to 20% (using new heading 9903.01.24, effective Mar 4).
• New Canada/Mexico Tariffs Implemented: Activated previously announced tariffs on Canadian goods (25% general, 10% energy) and Mexican goods (25%) (using headings 9903.01.01-.03, effective Mar 6), adding codes for standard exemptions (9903.01.10-.13).

Revision 4 (Effective Mar 7 & Mar 12, 2025)

• Canada/Mexico Tariffs Adjusted: Modified the new Canada/Mexico tariffs (eff. Mar 7) to clarify USMCA treatment (adding code 9903.01.04 for exempt goods) and provide specific treatment for items like Canadian potash (adding code 9903.01.15).
• Section 232 Expanded: Broadened existing Section 232 tariffs to include "derivative" articles of steel and aluminum (like nails, wire, bumpers) (eff. Mar 12). Added numerous new notes and tariff codes (e.g., 9903.81.87-.93 for steel, 9903.85.07-.09 for aluminum).

Revision 5 (Effective Mar 14, 2025)

• Administrative Cleanup: Deleted two specific legal notes (16(n) and 19(k)) related to the recent Section 232 derivative tariff changes, likely as an editorial correction.

Revision 6 (Effective Apr 3-4, 2025)

• Minor Aluminum Tariff Tweaks: Made administrative adjustments or clarifications to notes defining Section 232 derivative aluminum products (eff. Apr 4).
• Typo Fixed: Corrected an error in a legal note (30(d)) related to 2023 tariffs on Russian goods.
• New Neodymium Magnet Tariffs: Imposed new 25% Section 232 tariffs on neodymium-iron-boron magnets from most countries, citing national security (eff. Apr 3). Added new codes (9903.94.01-.04) and notes.

Revision 7 (Effective Apr 5 & Apr 9, 2025)

• "Reciprocal Tariffs" Introduced: Established a broad new tariff system under EO 14257.
• Phase 1 (Eff. Apr 5): Imposed a base 34% additional tariff on almost all imports (using 9903.01.25), with specific exceptions (e.g., USMCA, returns, humanitarian, energy, essential meds via 9903.01.26-.34).
• Phase 2 (Eff. Apr 9): Replaced the base 34% rate with country-specific additional tariff rates (ranging 11%-34%) for imports from 83 designated countries (using new codes 9903.01.43-.76).

Revision 8 (Effective Apr 9, 2025)

• China Reciprocal Tariff Increased: In response to Chinese retaliation threats, increased the specific Reciprocal Tariff rate applied to goods from China from 34% to 84% (modifying heading 9903.01.63 and the related note).

Revision 9 (Effective Apr 10, 2025)

• China Reciprocal Tariff Increased Again: Following China implementing retaliatory tariffs, further increased the Reciprocal Tariff rate on Chinese goods from 84% to 125% (again modifying heading 9903.01.63 and the related note). Also clarified the scope of the base 34% tariff heading (9903.01.25).

Revision 10 (Effective Apr 5, 2025 - Published Apr 15)

• Exemption List Modified: Modification to U.S. Note 2(v)(iii) (in Subchapter III), changing the list of HTS subheadings that are exempted from certain broad temporary additional duties (imposed by headings 9903.01.25, 9903.01.35, 9903.01.39, and 9903.01.43-9903.01.76), with a notable focus on raw materials, basic industrial inputs, essential chemicals and pharmaceuticals, key electronic components and equipment, and printed materials.