Quorum requirements for a referendum to be valid
Netherlands
Answer
Optional referendum - turnout quorum
Source
Wetraadgevend referendum (Consultative Referendum Law) 13-07-2015
http://wetten.overheid.nl/BWBR0036443/geldigheidsdatum_13-07-2015#Hoofdstuk7_Paragraaf2_Artikel44
See also: https://www.kiesraad.nl/artikel/raadgevend-referendum
Comment
Aprerequisite for the validity of the result is a turnout in the referendum ofat least 30 percent of the total number of voters.
