Document allows for a resident or entity to elect another party to handle a tax filing on their behalf. The form must be completed and signed by the principal and agent (does not need witnesses or a notary public to be considered legal). The agent selected can be anyone but is recommended to be:

CO-Licensed CPA
CO-Licensed Attorney

How to File?

  • Online
  • Through the Mail with the following address: Taxpayer Service, 1375 Sherman St., Denver, CO 80261

 

Source –  colorado.gov