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Trade Advisory

Trade Advisory: U.S. Imposes 25% Tariff on Countries Engaged with Iran – No Official Framework Yet

President Trump posted on Truth Social that “ Effective immediately, any Country doing business with the Islamic Republic of Iran will pay a Tariff of 25% on any and all business being done with the United States of America. This Order is…

  • Trade Advisory: U.S. Imposes 25% Tariff on Countries Engaged with Iran – No Official Framework Yet
  • Jan 13, 2026
Published Jan 13, 2026

At a glance

What changed
Trade Advisory: U.S. Imposes 25% Tariff on Countries Engaged with Iran – No Official Framework Yet
Who is affected
North America
Business impact
President Trump posted on Truth Social that “ Effective immediately, any Country doing business with the Islamic Republic of Iran will pay a Tariff of 25% on any and all business being done with the United States of America. This Order is…

President Trump posted on Truth Social that “Effective immediately, any Country doing business with the Islamic Republic of Iran will pay a Tariff of 25% on any and all business being done with the United States of America. This Order is final and conclusive.”

However, no formal executive order, USTR proclamation, or regulatory notice has yet been published in the Federal Register, the U.S. Trade Representative's filings, or any other official source. The tariff is not reflected in any current trade-tracker databases, creating a significant implementation gray area, notably around when the tariff takes effect, which business activities or entities fall under its scope, and which enforcement mechanisms will apply.

  • Enforcement Ambiguity: U.S. Customs and Border Protection cannot act on a Truth Social post alone; formal notices are required to impose, collect, or penalize tariffs.
  • Undefined Scope: Without legal definitions, terms like “doing business with Iran” remain vague, raising compliance uncertainty for everyone in the supply chain, from manufacturers to logistics providers.
  • Cost & Legal Risk: Companies are unable to effectively map exposure or advise boards until a regulatory framework defines the tariff’s reach, and retroactive liabilities remain a concern.

Until an authorized legal instrument is issued, we recommend clients maintain operational continuity while preparing for rapid response. Once guidance appears (via executive order or Commerce/USTR notice), we'll pivot to targeted risk mapping, compliance tracking, and scenario modeling.

Are you in need of a tailored exposure analysis or preparatory compliance workflows? Get in touch with our Trade Consulting team via the Crane Worldwide Tariff Response Unit.

Need help understanding your exposure?

Crane Trade Consulting can help assess tariff impacts, validate exclusions and develop practical mitigation strategies.