The fundamental law of Hungary*
(1) Parliament shall order a national referendum at the initiative of at least two hundred thousand voters. Parliament may order a national referendum at the initiative of the President of the Republic, the Government or one hundred thousand voters. The decision made by a valid and conclusive referendum shall be binding on Parliament.
(2) National referendums may be held about any matter within the tasks and competences of Parliament.
(3) No national referendum may be held on:
a) any matter aimed at the amendment of the Fundamental Law;
b) the contents of the Acts on the State Budget, the implementation of the State Budget, central taxes, duties, contributions, customs duties and the central conditions for local taxes;
c) the contents of the Acts on the elections of Members of Parliament, local government representatives and mayors, and Members of the European Parliament;
d) any obligation arising from international treaties;
e) personal matters and matters concerning the establishment of organisations within the competence of Parliament;
f) the dissolution of Parliament;
g) the dissolution of a representative body;
h) the declaration of a state of war, state of national crisis and state of emergency, and on the declaration or extension of a state of preventive defence;
i) any matter related to participation in military operations;
j) the granting of general amnesty.
(4) A national referendum shall be valid if more than half of all voters have cast valid votes, and it shall be conclusive if more than half of those voting validly have given the same answer to the question.