Law of the People's Republic of China on Urban Planning.
Purpose of the Law is to ensure urban development, as well as the accomplishment of urban economics and social progress, and to meet the needs of the socialist modernization drive. It consists of six Chapters. In Chapter I (General Provision), it explains that 'urban' means the municipalities directly under the Central Government, the provincial cities and the towns; 'large city' means a city with more than 500,000 population, 'medium size city' means that the population is between 200,000 to 500,000, 'small city' is used for cities where the population is less than 200,000.