Election Systems and Software



California Elections Code section 19201 specifies that no voting system may be purchased or used in a California election until the Secretary of State approves that system. Additionally, all direct recording electronic (DRE) voting machines used in California must have an accessible voter-verified paper audit trail, pursuant to California Elections Code section 19250.

ES&S Hardware and Software Modification Request


Temporary Suspension of Air-Gap Condition

ES&S Unity 3.0.1.1 with AutoMARK (Approved - June 30, 2008)


ES&S Unity 2.4.3 with AutoMARK (Additional Conditions for use in lieu of Top-to-Bottom Review - Added to August 3, 2005, Approval Document)


ES&S Unity 2.4.3 with AutoMARK (Approved - August 3, 2005)


ES&S Unity 2.4.3 (Prior Approval - September 17, 2004)


AutoMARK A200 Information


ES&S AutoMARK A200 (Approval)


ES&S AutoMARK A200 (One-Time Administrative Approval)

June 3, 2008, Statewide Direct Primary Election February 5, 2008, Statewide Presidential Primary Election

ES&S InkaVote Plus (Conditional Reapproval following the Top-to-Bottom Review - January 2, 2008)


ES&S InkaVote Plus (Prior Approval - April 21, 2006)


ES&S Ranked Choice Voting (RCV) System (Administrative Approval - September 14, 2007)


ES&S RCV System (Prior Approval - October 25, 2006)


ES&S RCV System (Prior Approval - March 7, 2005)


ES&S Optech Eagle (Prior Approval - October 27, 2004)


ES&S iVotronic (Prior Approval - October 27, 2004)


Voting System Vendors




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