Taxpayers preparing to travel internationally may soon have to change their plans if they are behind on their taxes.  Earlier this week, the IRS “strongly encouraged” individuals with “seriously delinquent tax debts” to pay what they owe or enter into a payment agreement, or else they jeopardize their passports. The warning comes as the IRS begins implementing new tax enforcement procedures that were included in the Fixing America’s Surface Transportation (FAST) Act of 2015.  Under the new FA...