Recommendation 4.1 (Electronic Voting) United States of America 2004
http://aceproject.org/ero-en/regions/americas/US/united-states-of-america-final-report-presidential/at_download/file
Inclusion of provisions that will permit competent individuals, academic institutions or civil society groups to comprehensively and independently test DRE voting equipment subject to reasonable limitations related only to patent or copyright law. However, such testing should not be perceived as a substitute for the establishment of inclusive and transparent certification procedures.