Who makes the determination as to whether there has been a violation? Why, the State Department, of course….
Check it out:

Is another shoe about to drop on the Clinton Foundation, and on Hillary Clinton’s problematic rollout? Newsweek’s Rory Ross reported this morning that the largest individual donor to the Clinton family business has conducted trade with Iran, perhaps in breach of US sanctions. Ukrainian energy mogul Victor Pinchuk has connections to the Clintons that go back almost a decade, and financial connections to the regime in Tehran that go much farther:

The fourth richest man in Ukraine, Pinchuk owns Interpipe Group, a Cyprus-incorporated manufacturer of seamless pipes used in oil and gas sectors.