Paper ballots are often counted on vote tabulation machines, which scan each ballot to record the voter’s selections. If a ballot is defective or damaged, the machine may not be able to read it. In many states, those defective or damaged ballots will be duplicated, meaning election officials copy the voter’s choices onto a new ballot that can be scanned. Ballot duplication is used to preserve a voter’s intent while maintaining the efficiency of using vote tabulation machines. It is also known as