There is already an Exit Fee for Ex-patriots. The mechanism is in place to charge exit fees for companies leaving the USA after being recovered by taxpayer dollars.

August 28, 2014

...After Facebook co-founder Eduardo Saverin (click here) departed for Singapore, Senators Chuck Schumer and Bob Casey introduced a bill to double the exit tax to 30% for anyone leaving the U.S. for tax reasons. That hasn’t happened, but taxes are still a big issue for many....