Legal provisions for mandatory referendums at national level

Maldives
Constitutionof the Republic of Maldives
(Adopted in 2008, replacing and repealing the Constitution of 1998)
http://www.presidencymaldives.gov.mv/Documents/ConstitutionOfMaldives.pdf
Article 262. (Mandatory referendum)
(a)The Bill amending the Constitution passed by the People’s Majlis shall comeinto force upon obtaining the written assent of the President.
(b) Despite the provisions of article (a) above,the President shall give written assent to any amendments made by the People’sMajlis to the following provisions of this Constitution only after a publicreferendum decides so by a majority of the votes cast.
1.Any of the provisions contained in Chapter II (The Maldivian Charter of Rightsand Freedoms)of this Constitution;
2.Article 79(a) (Term of Majlis);
3.Article 107 (Term of office), and Article 108 (Presidential election);
wherethe amendment does not receive a majority approval in the public referendum, itshall be deemed to have been defeated.