Iowa Code § 52.27: Commissioner to provide optical scan voting equipment.

The commissioner having jurisdiction of any precinct for which the board of supervisors has adopted voting by means of an optical scan voting system shall, as soon as practicable thereafter, provide for use at each election held in the precinct optical scan ballots and ballot marking devices in appropriate numbers. The commissioner shall have custody of all equipment required for use of the optical scan voting system, and shall be responsible for maintaining it in good condition and for storing it between elections.