Colo. Rev. Stat. § 24-71.3-111
If a law requires a signature or record to be notarized, acknowledged, verified, or made under oath, the requirement is satisfied if the electronic signature of the person authorized to perform those acts, together with all other information required to be included by other applicable law, is attached to or logically associated with the signature or record.
C.R.S. § 24-71.3-111
OFFICIAL COMMENT
This section permits a notary public and other authorized officers to act electronically, effectively removing the stamp/seal requirements. However, the section does not eliminate any of the other requirements of notarial laws, and consistent with the entire thrust of this Act, simply allows the signing and information to be accomplished in an electronic medium.
For example, Buyer wishes to send a notarized Real Estate Purchase Agreement to Seller via e-mail. The notary must appear in the room with the Buyer, satisfy him/herself as to the identity of the Buyer, and swear to that identification. All that activity must be reflected as part of the electronic Purchase Agreement and the notary's electronic signature must appear as a part of the electronic real estate purchase contract.
As another example, Buyer seeks to send Seller an affidavit averring defects in the products received. A court clerk, authorized under state law to administer oaths, is present with Buyer in a room. The Clerk administers the oath and includes the statement of the oath, together with any other requisite information, in the electronic record to be sent to the Seller. Upon administering the oath and witnessing the application of Buyer's electronic signature to the electronic record, the Clerk also applies his electronic signature to the electronic record. So long as all substantive requirements of other applicable law have been fulfilled and are reflected in the electronic record, the sworn electronic record of Buyer is as effective as if it had been transcribed on paper.