change para D to read:

"D. If any voter's ballot was not so cast by or at the direction of the voter, then the ballot cannot be cast by any officer of election or other person present. Notwithstanding the previous sentence, if a voter inserts a ballot into an optical scanner and departs prior to the ballot being returned by the scanner due to an undervote, or overvote or equipment malfunction, the officer of election may MUST cast the ballot for the absent voter."