If you owe $2,500 or more in child support, you are not eligible to receive a U.S. passport.
You should make arrangements to pay the state where child support is owed BEFORE you submit your application for a U.S. passport. All questions about your child support arrears or the status of a payment should be directed to the appropriate state child support enforcement agency.
Once payment is arranged, it may take 2-3 weeks before Passport Services is permitted to process your application. See details
of this process in the chart below: