Recommendation 1 (Electronic Voting) United States of America 2006
http://aceproject.org/ero-en/regions/americas/US/united-states-of-america-assessment-mission-report-1/at_download/file
Further transparency measures, such as access to software codes, independent testing, provision of voter verified paper audit trail (VVPAT) or multiple audit mechanisms would enhance public confidence in the integrity of the new voting technologies.