Legal provisions for optional referendums at national level

Direct Democracy in Asia: AReference Guide to the Legislation and Practice (2005), page. 98 on Malaysia.

http://www.docstoc.com/docs/74258274/Direct-Democracy-in-Asia

http://www.agc.gov.my/images/Personalisation/Buss/pdf/Federal%20Consti%20%28BI%20text%29.pdf

Introducing referendums inMalaysia — Galvin Wong (article published September 18, 2012)

http://www.themalaysianinsider.com/sideviews/article/introducing-referendums-in-malaysia-galvin-wong

There is no legal provision for any kind of direct democracyin Malaysia