Lawmakers may be required to send more than $200 million back to taxpayers over the next three years.
2017 Colorado Legislature
Here are some of the more notable laws that will go into effect Monday, after winning passage during the 2017 legislative session.
Republicans want more money for transportation. Democrats see unmet needs in programs like child healthcare and education.
Formal complaints have been filed against two Democratic House members and two Republican senators. All have denied the allegations.
The rancor wasn't a surprise after Republicans protested to the governor calling the session in the first place.
How many Colorado lawmakers does it take to fix a bill-drafting error? All 100 of them.
A study says Colorado's legislature is the most polarized in the country, but a University of Denver professor says that didn't stop it from having a productive 2017 session.
Gov. John Hickenlooper says he thinks Colorado can reach the emissions goals set in Paris, but calls the emissions targets "ambitious."
A bill that has bipartisan support could be the first state law regulating autonomous vehicles in Colorado. It passed in the legislature earlier this week.