Election Obligations & Standards Database
"Single-member ballot: there is where there is just one seat to be filled per constituency and each elector has only one vote. It is therefore applicable only in plurality/majority or hybrid systems. "
CoE (Venice Commission): Report on Electoral Systems - Overview of available solutions and selection criteria
, para. 29
Report on Electoral Systems - Overview of available solutions and selection criteria
Genuine elections are required to express the will of the people.
Elections must be held by equal suffrage.