After two quiet days, UK tariff activity surged today with a major update comprising over 1,000 changes, all of which took effect immediately. The update is dominated by a significant restructuring of controls on goods originating from Iran, with new measures applied to key energy products like crude oil and natural gas, as well as various chemicals and natural graphite. The changes also affected a broad range of other industrial goods, including base metals, machinery, and iron and steel products.

The themes

Today's activity was defined by a single, large-scale regulatory update rather than a series of disparate changes. With over 1,000 records loaded and taking immediate effect, the focus was squarely on the implementation and restructuring of import controls. The pattern of hundreds of conditions and footnotes being removed simultaneously with the introduction of new measures suggests a coordinated consolidation of the existing control framework, particularly concerning Iran.

Beyond the headline changes, the update touched a wide array of industrial product chapters, with significant activity in base metals, electrical machinery, iron and steel, and precision instruments, reflecting the broad scope of the regulatory adjustments.

Headline changes: New controls on Iranian goods

The central element of today's update is a new suite of controls applied to goods originating from Iran. These measures, which took effect today, target a range of strategic commodities. Notable products now subject to new controls include:

  • Petroleum oils, crude and otherwise (HS 2709, 2710)
  • Natural gas (HS 2711)
  • Various chemical products including benzol, toluol, and xylenes (HS 2707)
  • Natural graphite (HS 2504)

For some products, such as graphite, the new controls were implemented alongside the removal of older, more granular measures, reinforcing the assessment that this is a systemic overhaul of the existing regime. No new anti-dumping, countervailing, or safeguard measures were announced today.

What to watch

While today's update was substantial, the anticipated publication of the UK's fourth-quarter tariff-rate quotas for steel products did not occur. With the third quarter ending tomorrow, 30 September, and the new quota period beginning on 1 October, the release of these new quota volumes remains the most significant expected event in the immediate term.

By the numbers

Change records by type Change records by type 2026-09-29 · UK Global Tariff Condition removed 486 New measures 221 Footnote removed 162 Measures ending 162 Each record is a distinct measure-level change detected that day. Change records by category Change records by category What kind of rule changed Condition 486 Controls 383 Footnote 162 Most-affected product chapters Most-affected product chapters HS chapters with the most change records Other base metals; cermets; articles… 202 Electrical machinery and equipment an… 153 Iron and steel 134 Optical, photographic, cinematographi… 101 Nuclear reactors, boilers, machinery… 72 Organic chemicals 70 Nickel and articles thereof 67 Articles of iron or steel 60