Regulatory activity continued for a third consecutive day on 11 September, marked by significant administrative updates rather than new policy initiatives. The day's update consisted entirely of changes to measures already in effect, highlighted by a large-scale adjustment to the validity periods of existing anti-dumping duties on US-origin biofuels. Concurrently, a separate set of previously scheduled measures took effect, implementing routine seasonal entry price changes for fresh produce, including tomatoes, onions, and garlic.

The themes

Two distinct streams of activity defined 11 September: trade defence maintenance and routine agricultural tariff management. The day's single largest action was a block of over 100 administrative changes to existing anti-dumping measures, primarily affecting US imports. This was not the creation of new policy but a significant update to the terms of existing protections. In parallel, the operational calendar of the tariff continued to turn, with a series of seasonal entry price updates for fresh fruit and vegetables taking effect as scheduled.

Headline items

The most significant development loaded in the day's update was a widespread administrative adjustment to existing trade defence measures on US-origin biofuels.

  • Action: Over 100 validity period changes were recorded for anti-dumping duties on US imports.
  • Products: The measures affect numerous commodity lines for biofuel blends and related products, including fatty-acid mono-alkyl esters and paraffinic gasoils, across HS chapters 15 (Fats and Oils) and 27 (Mineral Fuels).
  • Context: This was an administrative action on measures already in force, not the imposition of new duties. The changes loaded on 11 September were all effective immediately or in the past.

Coming into force

While the day's loaded update focused on administrative changes, 207 measures took effect on 11 September, dominated by seasonal shifts in agricultural tariffs.

  • Seasonal Entry Prices: New entry prices were implemented for several categories of tomatoes, with a new specific duty of 121.73 GBP per 100 kg now active. Correspondingly, previous measures for tomatoes, as well as for garlic, onions, and beans, came to an end, consistent with a routine seasonal transition.

No future-dated measures were loaded in the day's update.

What to watch

The activity of the past three days—new anti-dumping duties, new tariff quotas, and now significant administrative adjustments—confirms a return to a more active regulatory tempo after a long quiet period earlier in the month. This suggests authorities may be processing a backlog of measures. Trade professionals should anticipate this renewed pace of change to continue across various sectors.

By the numbers

Change records by type Change records by type 2026-09-11 · UK Global Tariff Validity changes 108 Footnote added 78 New measures 45 Component removed 42 Measures ending 42 Each record is a distinct measure-level change detected that day. Change records by category Change records by category What kind of rule changed Trade defence (AD/CVD/safeguard) 108 Other 87 Footnote 78 Customs duties 42 Trade-defence activity by origin Trade-defence activity by origin Commodity lines hit by anti-dumping / countervailing / safeguard changes United States 39 China 15 Counts distinct commodity codes per origin loaded that day. Most-affected product chapters Most-affected product chapters HS chapters with the most change records Edible fruit and nuts; peel of citrus… 94 Mineral fuels, mineral oils and produ… 92 Animal, vegetable or microbial fats a… 40 Edible vegetables and certain roots a… 35 Iron and steel 30 Miscellaneous chemical products 24