Certification of voting machines

Various governments require a certification of voting machines.

Election technology
Part of a series on
Technology
Absentee ballot Chad DRE voting machine Electronic voting Electronic voting machine Optical scan voting system Provisional ballot Voting machine Voter-verified paper audit trail Vote counting system
Terminology
Central count or CCOS Overvote Precinct count or PCOS Undervote Residual vote or drop-off
Testing
Acceptance testing Qualification testing Software verification Usability testing
Manufacturers
Election Systems & Software Hart InterCivic Dominion Voting Smartmatic
Related aspects
Certification of voting machines Independent Testing Authority (ITA) NVLAP VVSG End-to-end auditable voting systems Help America Vote Act Independent verification systems Secure Electronic Registration and Voting Experiment Software independence

Balloting

Ballots
Absentee ballot Provisional ballot Sample ballot
Candidates and Ballot measures
Write-in candidate Electorate Slate Ticket
Collection
Ballot box Compulsory voting Early voting Electronic voting Open ballot Polling place Postal voting Precinct Vote center Voting booth
Counting
Popular vote Tally Voting machine

Electoral systems

Plurality and majoritarian systems
First-past-the-post voting Two-round system Instant-runoff voting Plurality-at-large voting General ticket Usual judgment
Proportional and semi-proportional systems
Single non-transferable vote Cumulative voting Binomial system Party-list Single transferable voting Spare vote
Mixed-member systems
Mixed-member proportional Additional member system Mixed single vote (positive vote transfer) Scorporo (negative vote transfer) Mixed ballot transferable vote Alternative Vote Plus Dual-member proportional Rural–urban proportional Majority bonus system Parallel voting (Mixed member majoritarian)

Voting strategies

Protest votes
Issue voting Fusion voting Split-ticket voting Straight-ticket voting Tactical voting Vote pairing
Abstention Donkey vote Election boycott None of the above Refused ballot Spoilt vote

In the United States there is only a voluntary federal certification for voting machines and each state has ultimate jurisdiction over certification, though most states currently require national certification for the voting systems.

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