Who administers direct democracy mechanisms at the national level?

Act XXXVI of 2013on Electoral Procedure

http://valasztas.hu/en/ovi/241/241_1_10.html

Section 349

(1) The provisions of Act C of 1997 on Election Procedure shall beapplied:

[….]

c) in national and local referendums, national and local popularinitiatives and citizens’ initiatives until the entry into force of the Act onNational and Local Referendums, National and Local Popular Initiatives andCitizens’ Initiatives.

Act C of 1997 on Electoral Procedure

Article2 This Act shall be applied with regard to

[…]

e) national referendums;

f) local referendums;

g) national popular initiatives;

h) local popular initiatives; and

Article6 […]

(4)The names of the members of the election committee and the head of the electionoffice, the address of the office of the election bodies shall be published theway it is customary locally; the name of the members of the parliamentarysingle mandate constituency and the regional election committees in theofficial journal of the metropolitan, county general assembly, the details ofthe National Election Committee in the Official Gazette of Hungary (MagyarK?zl?ny).