After the total vote for each candidate has been ascertained, and before leaving the room or voting place, the precinct election officials shall make and sign the tally list required in section 50.16. One copy of the printed results from each tabulating device shall be signed by all precinct election officials present and shall be attached to the tally list from the precinct. The printed results attached to the tally list shall reflect all votes cast in the precinct, including overvotes and undervotes, for each candidate and public measure on the ballot.