C.R.S. § 1-13.5-1107

The election officials at the mail ballot counting place shall receive and prepare mail ballots delivered and turned over to them by the election judges for counting. Counting of the mail ballots may begin fifteen days prior to the election and continue until counting is completed. The election official in charge of the mail ballot counting place shall take all precautions necessary to ensure the secrecy of the counting procedures, and no information concerning the count shall be released by the election officials or watchers until after 7 p.m. on election day.