Requirements for a referendum to pass
Sudan
Answer
Optional referendum - simple majority
Source
The Interim National Constitution of the Republic of Sudan (from 2005) http://www.mpil.de/shared/data/pdf/inc_official_electronic_version.pdf
ReferendumArt. 217 (2) The National Elections Commission shall conduct the referendum for all the electorate; the subject submitted to referendum would achieve the confidence of the people by obtaining more than half of the number of votes cast.
