If it's true, then it's a crime carrying a penalty of up to $50,000 and ten years in prison. Any company specializing in exports should know that, of course, so odds are this is the work of the security guard or janitor. But we'll see...
Has anyone ever actually been prosecuted under this statute? It seems to me I ought to be free to do business with whomever I please (excepting members of "protected" minorities /sarcasm).