Election Obligations & Standards Database
"Some countries require the fulfilment of some additional conditions for applications to be presented. In particular, they may consist of a number of signatures."
CoE (Venice Commission): Report on the Participation of Political Parties in Elections
, para. 13
Report on the Participation of Political Parties in Elections
Limits on individuals wishing to run for office may only be based on objective and reasonable criteria, including support from a minimum number of citizens.