What makes the balancing act more difficult is that the overhaul in the federal code will mean some states will be guessing about the fiscal impact those changes will have on their budgets.

Forty-nine states have constitutional requirements to balance their budgets, and making significant changes can lead to an imbalance quickly.

“When you’re guessing, you don’t have to be off very far to find yourself with a shortfall,” said Hill, a retired accountant.