In a fresh 2018 Notice 2018–01, the IRS has provided new details about tax debts that can impact your ability to travel. The IRS is required by law to notify the State Department once your tax debt is certified as "seriously delinquent." After that, the State Department will generally deny issuing or renewing a passport. The State Department can even revoke a passport already in use. The law was enacted back in 2015, but the IRS and State Department are only now implementing