Is it legal to pay supporting fees for self-built houses in Hanzhong?

Reasonable. According to the notice issued by Hanzhong Municipal People's Government, in order to further standardize the collection, use and management of supporting fees for urban infrastructure, improve the level of urban infrastructure, improve urban functions, and speed up the construction of a modern regional central city, according to the Interim Measures for the Administration of Government Funds, the Catalogue of Government Funds of Shaanxi Province and relevant laws and regulations, combined with the actual situation of Hanzhong City, the planning scope of Hanzhong Central City and the general civil buildings of each group are formulated according to the construction area of 90 yuan per square meter.