Election Obligations & Standards Database
"The law should allow consideration of any evidence that is sufficiently credible and enables the interests of voters and justice to be served. Overly formalistic or strict requirements concerning evidence should be avoided."
OSCE (ODIHR): Handbook for the Observation of Election Dispute Resolution
, p. 18
Handbook for the Observation of Election Dispute Resolution
The opportunity should exist to present evidence in support of a complaint.