Local Government Act Article 4

A region with a population of one million and two hundred fifty thousand (1,250,000) or greater that has special requirements for its political, economic, cultural, and metropolitan development may establish a special municipality.Articles 34, 54, 55, 62, 66, 67, and other provisions relevant to special municipalities shall apply mutatis mutandis to counties with populations of two million (2,000,000) or greater that have not yet changed into special municipalities.A region with a population from five hundred thousand (500,000) to not more than one million and two hundred fifty thousand (1,250,000) that occupies a major political, economic, and cultural role may establish a city.A region with a population from one hundred thousand (100,000) to not more than five hundred thousand (500,000) that possesses thriving industrial and commercial development, adequate financial resources for local self-government, convenient transportation, and comprehensive public facilities may establish a county-administered city.Paragraphs 1, 3 and 4 shall not apply to special municipalities, cities, and county-administered cities established prior to the promulgation of this Act.