Where do you send the 1099 Misc Copy 1 for Co state tax?

For Colorado state tax purposes, you should send Copy 1 of the 1099-MISC form to the Colorado Department of Revenue. You can file it electronically through their online portal or mail it to the appropriate address designated for 1099 filings. Make sure to check the Colorado Department of Revenue's website for the most current mailing address and any specific filing requirements.