C.R.S. § 1-5-801
1-5-801. Acquisition of voting systems - voter-verified paper record
1-5-801. Acquisition of voting systems - voter-verified paper record. (1) On and after June 6, 2005, a political subdivision shall not acquire a voting system unless the voting system is capable of producing a voter-verified paper record of each elector's vote.
(2) A political subdivision shall not acquire a voting device that has been retrofitted to comply with this part 8 unless the voting device has been certified by the secretary of state.