C.R.S. § 11-57-211

The act of issuance authorizing the issuance of securities may be adopted by the issuing authority at a meeting where one or more members of the issuing authority may participate in such meeting and may vote on such act of issuance through the use of telecommunications devices. Such participation may include but not be limited to the use of a conference telephone or similar communications equipment. Such participation through telecommunications devices shall constitute presence in person at such meeting. However, all such public meetings shall have at least one person physically present at the designated meeting area to ensure that the public meeting is in fact accessible to the public.