Who checks the signatures?
Bolivia
Answer
Agency responsible for the administration of direct democracy mechanisms
Source
Law 026 (June 30-2010) on the Electoral Regime [Ley 026 del 30 de junio de 2010 del Régimen Electoral] Article 19.
http://aceproject.org/ero-en/regions/americas/BO/bolivia-ley-del-regimen-electoral-2012