What does it mean to change the nature of real estate without authorization?

Changing the use function of the house in violation of laws and regulations. Changing the nature of the house without authorization refers to changing the use of the house, land use or planning and design function, illegally renting or selling the house, changing the use function of the house, rebuilding or expanding the house without the approval of the relevant departments. Property nature refers to the use and function of property, including residential property, commercial property, industrial property and other uses of property.