Colorado tax refunds could come a year early

Photo: Colorado Chief Economist Natalie Mullis (AP Photo)
Natalie Mullis, right, chief economist, Colorado Legislative Council, answers questions from lawmakers regarding the state's budget and economic outlook in 2013.

Colorado lawmakers may have to refund money to taxpayers sooner than they initially expected.

Refunds are a sign of Colorado's booming economy. But it also means lawmakers will be restricted in how much money they'll be able to keep and spend under Colorado's Taxpayer's Bill of Rights, also known as TABOR.