Corrent but his assumption was that you made the income and then skipped without reporting it. If you made it and the IRS finds out, you owe for it when you get back.
"If you made it and the IRS finds out, you owe for it when you get back."
Correct.
But, if you can provide payment to the IRS before comming back they 'may' be more lenient.
I know I wouldn't try it myself.