1099 State Reporting For Colorado

1099 Reporting Required: Yes

Combined Federal/State Program: Yes

E-filing Deadline: March 31st (if reporting Box 7 NEC deadline is January 31st)

Additional Comments:

  • Only need to report if state tax is withheld
  • Electronic filing is required if there are 250 or more


Name of Agency: Department of Revenue

State Website: www.colorado.gov/revenue

Phone Contact: 303-238-7378

Email: – –