Election Obligations & Standards Database
"At the count observers should pay particular attention to the following points:...the security of the papers at all stages of the count; checking that there is no opportunity to falsify or substitute papers."
CoE (Parliamentary Assembly): Handbook for Observers of Elections
, para. 4.6
Handbook for Observers of Elections
No opportunity should exist to falsify or to substitute ballot papers.
Ballot tallies must be transmitted to higher levels in an open manner.