Executive Order 14309: Implementing the General Terms of the United States of America-United Kingdom Economic Prosperity Deal
President: Donald J. Trump
Implemented specified tariff elements of the US–UK Economic Prosperity Deal, including treatment of automobiles, aerospace products, steel and aluminum within stated conditions.
Status: In effect. Is Executive Order 14309 still in effect? Yes. Executive Order 14309 remains in effect. See Federal Register record.

What does Executive Order 14309 do?
The text directs Commerce and USTR to determine eligibility and monitor UK commitments, and Customs to apply proclaimed tariff treatment.
Later primary evidence reviewed September 24, 2026: Commerce issued an import notice on automobiles, aircraft and related parts under this United Kingdom agreement order. Official source. The cited steps do not establish every downstream effect.
Reading the operative provisions of Executive Order 14309
EO 14309 implements specified trade terms of the U.S.–United Kingdom Economic Prosperity Deal. It addresses tariffs and product treatment for sectors including automobiles, aerospace and steel, subject to conditions in the order and its annexes. The Federal Register text of EO 14309 provides the operative U.S. instructions. The order does not itself settle every issue in the broader bilateral relationship.
Tariff treatment depends on product classification, origin, quota limits, entry date and compliance with any conditions attached to the preferential rate. A negotiated headline rate may not apply to every shipment in a sector. Customs officials and importers need the order’s annexes and subsequent guidance to determine the actual duty. The order also leaves other trade measures in place unless it expressly modifies them.
The deal’s general terms and the executive order implementing selected parts are distinct documents. The order directs U.S. agencies and customs administration; a broader agreement may contain commitments that require additional legislation, rulemaking or later executive action. To assess results, compare customs data and the exact rate and quota applied to covered goods.
Before and after
Before the order
UK goods faced the tariff measures then applicable under US trade statutes and earlier presidential actions.
After the order
Agencies issued customs and tariff instructions for covered goods, while quotas, eligibility and later negotiations determine product-level treatment.
Commerce issued an import notice on automobiles, aircraft and related parts under this United Kingdom agreement order.
Who had to do what
| Agency / office | Action | Timing / position |
|---|---|---|
| Commerce and USTR | Determine eligibility and monitor UK commitments | Ongoing |
| Customs | Apply proclaimed tariff treatment | By effective dates |
| Agencies | Continue negotiations on unresolved sectors | Ongoing |
What happened next
EO 14309 signed.
Later primary evidence reviewed: Commerce issued an import notice on automobiles, aircraft and related parts under this United Kingdom agreement order.
Legal and source detail
How it works legally
The Trade Expansion Act, International Emergency Economic Powers Act, tariff schedule and customs law govern collection. The order implements executive commitments but is not a Senate-ratified treaty.
Sources by type
If a source is unavailable, first check the cited publisher or another official repository. The cited publisher remains the authority.
Primary and official sources
Orders, laws, court records and official implementation material.
How we checked this
Last checked against the sources above on September 24, 2026. How we research →