Who administers direct democracy mechanisms at the national level?

CONSTITUTION OF THE REPUBLIC OFECUADOR (2008)

http://pdba.georgetown.edu/Constitutions/Ecuador/english08.html

SECTION FOUR

Direct democracy

[…]

Article 106. The National ElectoralCouncil, once it is apprised of the decision taken by the President of theRepublic or the decentralized autonomous governments or accepts the petitionrequested by the citizenry, shall within fifteen (15) days call for areferendum, plebiscite or recall (motion to dismiss), which then must be heldin the ensuing sixty (60) days.
For the adoption of a matter proposed for referendum, plebiscite or recall, anabsolute majority of valid votes shall be required, except for a referendum torecall the President of the Republic, in which case the absolute majority ofvoters is required.

The people’s decision shall requiremandatory and immediate enforcement. In the case of recall, the challengedauthority shall be removed from office and shall be replaced by whoever isstipulated by the Constitution.