The Huffington Post: Is Donald Trump's Scotland Visit a Campaign Trip?
FEC rules prohibit converting campaign money for personal use, but there is no specific guidance that covers Trump’s exact situation, said Paul S. Ryan of the Campaign Legal Center watchdog group.
“He seems to be using his campaign to promote his personal business. Is it illegal? I can’t say it is. We seem to be in some murky water here,” Ryan said. “This type of activity is somewhat unprecedented.”