Recommendation 12 (Internet Voting) Estonia 2011
http://aceproject.org/ero-en/regions/europe/EE/estonia-elections-assessment-mission-report/at_download/file
The OSCE/ODIHR recommends delegating the responsibility for certification of the Internet voting system to an independent public body that would evaluate and then digitally sign the final version of the Internet voting software and publish a public evaluation report.