Recommendation 6 (Internet Voting) Estonia 2007
http://aceproject.org/ero-en/regions/europe/EE/estonia-election-assessment-mission-report/at_download/file
The OSCE/ODIHR recommends that in addition to the audits of the process now
conducted, all components of the system, including the source code, should be audited by an independent body in accordance with publicly available specifications, with all reports made public.