Election Obligations & Standards Database
"Votes must be cast without pressure from anybody. The vote should be cast personally in full secrecy, in an atmosphere free from pressure and intimidation, without the possibility of tracing individual votes."
Norwegian Helsinki Committee: Election Observation: An Introduction to the Methodology and Organization
, para. C.1
Election Observation: An Introduction to the Methodology and Organization
Voters are free to vote for any candidate for election, for or against any referendum or proposal, for or against the government, without undue influence or coercion of any kind which may distort or inhibit free expression.