Primary definition
Optical scan technology that permits voters to mark their paper ballots within a precinct and submit the ballot for tabulation. Precinct Count systems provide overvote/undervote protection. Remote Ballot Marking Devices
Also known asPCOS · Precinct Count Optical Scan System · Precinct-Based Optical Scan
2 sources cited4 related termsReviewed Aug 9, 2026
— The State and Local Election Cybersecurity PlaybookView source
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TSLECP
High consensus
Optical scan technology that permits voters to mark their paper ballots within a precinct and submit the ballot for tabulation. Precinct Count systems provide overvote/undervote protection. Remote Ballot Marking Devices
The State and Local Election Cybersecurity Playbook · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Precinct Count Optical Scan. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/precinct-count-optical-scan
Sources
2 cited · last checked Aug 9, 2026
01
The State and Local Election Cybersecurity Playbook
The State and Local Election Cybersecurity Playbook
High consensus
02
EAC Information Technology Terminology
EAC Information Technology Terminology
High consensus
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