Go to the Colorado Secretary of State's website and click on Notary Public under the Licensing Center.NOTE: As of July 1, 2007, to reduce costs, the Secretary of State’s Office will no longer mail renewal reminder post cards to notaries when their terms are about to expire. Notaries who wish to apply for reappointment will be able to obtain the necessary materials from our website, and renewal forms are now accepted up to 90 days prior to the current commission expiration date. Link...