Issues of sub-national referendums regulated at the national level

Montenegro
- Devolution
- Creation/merger/abolition of sub-national territories
Law on Referendum (2001)
http://www.legislationline.org/documents/id/3934
Article 2
Referendum in the Republic of Montenegro (hereinafter referred to as:the republican referendum), shall be called in the territory of the Republic ora part thereof, for the purpose of a prior pronouncement of citizens onspecific issues lying within the competence of the Assembly of the Republic ofMontenegro (hereinafter referred to as: the Assembly of the Republic).
Referendum in a municipality, the capital city of the Republic i.e. theadministrative center (hereinafter referred to as: the municipality) shall becalled for the purpose of a prior pronouncement of citizens on specific issueslying within the competence of the municipal assembly.
Article 3
The republican referendum must be called for the purpose of a priorpronouncement of citizens on any changes in the status of the country, changesin the form of a government and any changes of frontiers.
The republican referendum can be called for the purpose obtaining anopinion of citizens prior to making a decision on specific issues lying withinthe competence of the Assembly of the Republic.
The municipal referendum must be called for the purpose of a priorpronouncement of citizens on the establishment of new municipalities,abolishment or amalgamation of the existing municipalities and any changes inthe domicile of municipalities.
The municipal referendum can be called for the purpose of obtaining anopinion of the citizens prior to making a decision on specific issues lyingwithin the competence of the municipal assembly, in the manner and followingthe procedure prescribed by the municipal statute in conformity with thepresent Law.