Federal Express is suing the US Department of Commerce, arguing that US export control laws are so onerous that it’s impossible for FedEx to comply with them. US laws “require considerably more screening than possible from common carriers like FedEx,” the company argues in a legal complaint filed in a DC federal court on Monday.

The lawsuit doesn’t mention Huawei, but it was filed after a string of disputes between FedEx and Huawei that may be connected to US export control laws.

FedEx is one of the many international companies feeling pressure from the escalating trade war between the United States and China. Last month, the Trump administration added Huawei and its affiliates to an “entity list” under export control law. That made it illegal to ship a range of US-made technology to Huawei.