Audit trail for direct-recording equipment
1. A paper printout of votes cast, produced by direct-recording electronic (DRE) voting machines, which election officials may use to cross-check electronically tabulated totals. 2005 Voluntary Voting System Guidelines (VVSG) Glossary.
This definition is deficient because it requires paper and allows no other medium.
Source: Glossary of terms database, U.S. Election Assistance Commission, https://www.eac.gov/glossary/; Electronic Voting Glossary, Michael I. Shamos, https://collaborate.nist.gov/voting/pub/Voting/Glossary/Shamos-Election-Glossary.pdf