The actual ballots are stored, a selective audit is done to verify the electronic count, and in the event that raises issues a full manual recount can be done.

The actual ballots are stored, a selective audit is done to verify the electronic count, and in the event that raises issues a full manual recount can be done. The electronic voting system issues in the 2000 elections motivated the Help America Vote Act of 2002 under which voter-verified paper records for audit purpose required for all voting machines (this requirement became effective in 2006); effectively, “voting machines” add ballot marking machines that may also be involved in convenience tabulation, but are always audited against hand counts of paper ballots, which are the ultimate authority.