(1) The local authority adopting voting machines shall have custody of them when they are not in use at an election and shall preserve and keep them in repair. All keys for voting machines shall be securely locked between elections by the voting machine technician. A public officer, who is entitled to the custody of the machine for any period of time, is entitled to the keys necessary for the proper use of the machines in the officer's charge.
(2) Local authorities shall provide ample police protection against tampering with or injury to the voting machines after they have been prepared for and during an election and shall provide adequate storage at all other times.