the United States Government

“ Offense.—Any person who—
(1) willfully fails to pay a support obligation with respect to a child who resides in another State, if such obligation has remained unpaid for a period longer than 1 year, or is greater than $5,000;
(2) travels in interstate or foreign commerce with the intent to evade a support obligation, if such obligation has remained unpaid for a period longer than 1 year, or is greater than $5,000 ”

“ Mandatory Restitution.—Upon a conviction under this section, the court shall order restitution under section 3663A in an amount equal to the total unpaid support obligation as it exists at the time of sentencing. ”