Who can initiate an optional referendum at the national level?

Constitutionof the Democratic Socialist Republic of Sri Lanka

(Adoptedin 1978, last amended in 2001)

http://www.priu.gov.lk/Cons/1978Constitution/Chapter_13_Amd.html

(Optionalreferendum)

CHAPTERXIII, Submission of Bills to People by Referendum, Article 85.

(1)The President shall submit to the People by Referendum every Bill or anyprovision in any Bill which the Cabinet of Ministers has certified as beingintended to be submitted to the People by Referendum, or which the SupremeCourt has determined as requiring the approval of the People at a Referendum ifthe number of votes cast in favour of such Bill amounts to not less thantwo-thirds of the whole number of Members (including those not present).

(2)The President may in his discretion submit to the People by Referendum any Bill(not being a Bill for the repeal or amendment of any provision of theConstitution, or for the addition of any provision to the Constitution, or forthe repeal and replacement of the Constitution, or which is inconsistent withany provision of the Constitution), which has been rejected by Parliament.

(3)Any Bill or any provision in any Bill submitted to the People by Referendumshall be deemed to be approved by the People if approved by an absolutemajority of the valid votes cast at such Referendum:

Providedthat when the total number of valid votes cast does not exceed two-thirds ofthe whole number of electors entered in the register of electors, such Billshall be deemed to be approved only if approved by not less than one-third ofthe whole number of such electors.

CHAPTERXIII, Submission of matters of national importance to People by Referendum,Article 86.

ThePresident may, subject to the provisions of Article 85, submit to the People byReferendum any matter which in the opinion of the President is of nationalimportance.