...
Note: Prior to year 2022, Colorado state also used Federal W-4 form for their state tax withholding. From the year 2022, a new Colorado Employee Withholding Certificate (Form DR 0004) is available for Colorado state tax purpose. Employees can choose to complete the new Colorado Employee Withholding Certificate (Form DR 0004) or use Federal Form W-4 for their state tax withholding.
Sample tax withholding forms for these states are given below:
...