Colorado Revised Statutes Title 1. Elections § 1-2-602. Deceased electors

(1) As soon as is practicable after the end of each month, the state registrar of vital statistics shall furnish the secretary of state with a report of all persons eighteen years of age or older who have died during the previous month. To the extent possible, persons on the report shall be identified by name, county of residence, date of birth, and social security number.

(2) The secretary of state shall forward to each county clerk and recorder monthly the information received from the state registrar of vital statistics concerning persons registered to vote in the county who have died.

(3) The county clerk and recorder shall cancel the registration of any elector who is deceased and of whose death the county clerk and recorder has received notice pursuant to subsection (2) of this section.

(3.5) The secretary of state may by electronic means cancel the registration of any elector who is deceased and of whose death the secretary has received notice pursuant to subsection (1) of this section.

(4) The county clerk and recorder shall cancel the registration of any elector who is deceased when the county clerk and recorder receives written notice of the fact. The written notice shall be signed by a family member of the deceased. If the county clerk and recorder has sufficient proof that an elector is deceased, cancellation may be made without such written notice.