C.R.S. § 31-10-907

As used in sections 31-10-908 to 31-10-913 , unless the context otherwise requires: (1) “Eligible elector” means a person who is a registered elector, as defined in section 31-1-101 (9). (2) “Mail ballot election” means an election for which eligible electors may cast ballots by mail and in accordance with this part 9. (3) “Mail ballot packet” means the packet of information provided by the clerk to eligible electors in a mail ballot election. The packet includes the ballot, instructions for completing the ballot, a secrecy envelope, and a return envelope. (4) “Return envelope” means an envelope that is printed with spaces for the name and address of, and a self-affirmation to be signed by, an eligible elector voting in a mail ballot election, that contains a secrecy envelope and ballot, and that is designed to allow election officials, upon examining the signature, name, and address on the outside of the envelope, to determine whether the enclosed ballot is being submitted by an eligible elector who has not previously voted in that particular election. (5) “Secrecy envelope” means the envelope or sleeve used for a mail ballot election that contains the eligible elector’s ballot for the election and that is designed to conceal and maintain the confidentiality of the elector’s vote until the counting of votes for that particular election.