Colorado Revised Statutes Title 1. Elections § 1-8.3-113. Transmission and receipt of ballot

(1) A covered voter who requested and received ballot materials by electronic transmission may also return the ballot by electronic transmission:

(2) A valid ballot cast in accordance with section 1-8.3-111 shall be counted if it is received by the close of business on the eighth day after an election at the address that the appropriate state or local election office has specified.

(3) If, at the time of completing a ballot and balloting materials, the voter has declared under penalty of perjury that the ballot was timely submitted, the ballot shall not be rejected as late.