Issues in relation to which referendums are optional at the national level
Yemen
Answer
None
Source
Yemen constitution 2001.http://www.unhcr.org/refworld/category,LEGAL,,,YEM,3fc4c1e94,0.html
General Elections and referendum law 2001. http://www.scer.org.ye/english/generalelectionslaw.htm
Comment
No provisions for optional referendums in the legislation of the country
