Colorado Summons By Publication is a legal process used to notify an individual or business of a pending court action when their whereabouts are unknown. It is used when the person or entity being served cannot be located, or when service of process has been attempted, but the defendant has not been found. In Colorado, there are two types of Summons By Publication: a Summons For Personal Service By Publication and a Summons For Default Judgment And Decree By Publication. The Summons For Personal Service By Publication is used when the defendant’s whereabouts are unknown and service of process is required. It requires the publication of the summons in a newspaper of general circulation in the county where the defendant is believed to have last resided. The summons must be published three times, with the first publication occurring at least 21 days before the hearing. The Summons For Default Judgment And Decree By Publication is used when the defendant has failed to respond to the initial summons and process server has been unable to locate them. It requires the publication of the summons in a newspaper of general circulation for two consecutive weeks. The summons must be published four times, with the first publication occurring at least 21 days before the hearing.