Issues in relation to which referendums are mandatory at the national level

Malawi
Constitution of the Republic of Malawi
(adopted in May 16, 1994, last amended in 1998)
http://www.sdnp.org.mw/constitut/chapter21.html
Article 196 (1).
Subject to this section, Parliament may amend this Chapter and thesections of this Constitution listed in the Schedule only if
a. the provision to be amendedand the proposed amendment to it have been put to a referendum of the people ofMalawi and the majority of those voting have voted for the amendment; and
b. the Electoral Commissionhas so certified to the Speaker.