Photo of Aaron C. Mandelbaum

Aaron focuses his practice on advising clients on compliance with international economic sanctions, export controls, and U.S. import laws and regulations. He is also involved in assisting clients with complex cross-border transactions, anti-dumping and countervailing duty litigation, utilization of international and preferential trade agreements, and customs classifications. Most recently, Aaron has counseled clients navigating requirements under the Export Administration Regulations.

For the first time, the Department of the Treasury’s Financial Crimes Enforcement Network (“FinCEN”) invoked the Fentanyl Sanctions Act and the Fend OFF Fentanyl Act on June 25, 2025, to issue three separate orders that each designate a Mexico-based financial institution as a “primary money laundering concern in connection with illicit opioid trafficking.” The three

On June 24, 2025, in a press release, the Department of Commerce’s International Trade Administration (ITA) announced new procedures for U.S. producers of auto parts to request that additional auto parts be included in the list of auto parts that are subject to 25% tariffs under the Section 232 review of automobiles and auto

The Ninth Circuit Court of Appeals has upheld a $26 million fraud verdict against a pipe importer for violating the False Claims Act (FCA) by making false statements on customs forms to avoid paying antidumping duties on Chinese-made pipe fittings. The court rejected the importer’s argument that the Tariff Act provides the exclusive remedy for

On June 18, 2025, the Department of the Treasury’s Office of Foreign Assets Control (OFAC) issued Russia-related General License (GL) 55D, “Authorizing Certain Services Related to Sakhalin-2.” This general license authorizes certain services that would otherwise be prohibited under OFAC’s Russia sanctions program related to Sakhalin-2 involving the maritime transport of crude oil originating from

On June 16, 2025, the United States and the United Kingdom formally implemented the General Terms for the United States of America and the United Kingdom of Great Britain and Northern Ireland Economic Prosperity Deal (the “General Terms”). In a related Executive Order (EO), President Donald Trump set forth agreements reached with the UK regarding

On June 10, 2025, the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a stay keeping both tranches of President Donald Trump’s tariffs implemented under the International Emergency Economic Powers Act of 1977 (IEEPA) (50 U.S.C. § 1701 et seq.) in effect until final adjudication by the appellate court. The per curiam (

  • On May 28, the U.S. Court of International Trade (CIT) permanently enjoined tariffs imposed by President Donald Trump under the International Emergency Economic Powers Act (IEEPA), finding that he exceeded statutory and constitutional authority by imposing broad tariffs on imports from China, Canada, Mexico, and other countries.
  • The CIT held that IEEPA does

On May 29, 2025, the U.S. District Court for the District of Columbia (USDC-DC) issued a preliminary injunction ruling staying the imposition of President Donald Trump’s use of the International Emergency Economic Powers Act (IEEPA). This preliminary injunction applies to tariffs that would be paid by the two named plaintiffs – Learning Resources, Inc. and

On May 29, 2025, the Court of Appeals for the Federal Circuit (CAFC) stayed the decision of the Court of International Trade (CIT) from the previous day, which had vacated both tranches of President Donald Trump’s tariffs implemented under the International Emergency Economic Powers Act of 1977 (IEEPA) (50 U.S.C. § 1701 et seq.). President

On May 23, 2025, the Department of the Treasury’s Office of Foreign Assets Control (OFAC) issued Syria General License (GL) No. 25 relaxing sanctions against the Government of Syria and twenty-eight (28) previously blocked Syrian entities and persons. GL 25 authorizes transactions that would otherwise be prohibited under the U.S. economic sanctions on Syria, including new investment