Who administers direct democracy mechanisms at the national level?

Constitution 2013

CHAPTER 11—AMENDMENTOF CONSTITUTION

Article 160.

[…]

If a Bill for theamendment of this Constitution is passed by the Parliament in accordance withthe subsection 2, then the Speaker shall notify the President accordingly, whoshall then refer the Bill to the Electoral Commission, for the ElectoralCommission to conduct a referendum for all registered voters in Fiji to vote onthe Bill.

(4)  The referendum for the purposes of subsection(3) shall be conducted by the Electoral Commission in such manner as prescribedby written law.