Absentee ballots require an excuse: no

Early voting: yes

Felons: The State of Colorado prohibits felons currently in prison or on parole from voting. Once an individual has completed their sentence, their right to vote is automatically restored.

ID Laws: All voters need: Colorado drivers license, Department of Revenue ID, U.S. Passport, Colorado or U.S. employee ID card, Pilots License, US Military ID, copy of current utility bill, bank statement, government check, paycheck, or other government document that shows the name and address of the elector, Medicare or Medicaid card, a certified US birth certificate, or certified documentation of naturalization.

Mandatory poll worker/election official training: no

Paper trail: yes

Provisional ballot validity determined by jurisdiction of voter, not precinct: no

Registration deadline: Registration ends 29 days before the election.

Uniform voting system: no