Categories Electronic Notarization eSignature In-Person Electronic Notarization IPEN Notarization What is a DAN – For Colorado Notaries Post author By Jordan Rickman Post date April 19, 2023 What is a DAN? A Document Authentication Number or DAN is a unique identifier code online notaries affix to documents […] Tags colorado ipen, colorado notary, DAN, In-Person Electronic Notarization, IPEN