The de jure Provisional Institutions of Self-Government (PISG) is defined under United Nations Interim Administration Mission in Kosovo (UNMIK) regulations, the de facto Republic of Kosovo (RoK) government is defined under the 2008 Constitution of Kosovo and operates in most of Kosovo, and the de facto Assembly of the Community of Municipalities of the Autonomous Province of Kosovo and Metohija is the assembly of the association of municipal governments of the Autonomous Province of Kosovo and Metohija that operates in North Kosovo. All the governments operate in the context of a multi-party parliamentary representative democracy. One author put it thus:[1]