Legal basis: "Measures for Investigating and Handling Unlicensed Business" Article 11 The administrative department for industry and commerce of the people's government at or above the county level may exercise the following functions and powers when investigating and handling suspected unlicensed business activities: (1) Ordering to stop related business activities; (two) to investigate the relevant units and individuals suspected of operating without a license; (three) to enter the place suspected of engaging in unlicensed operation to carry out on-site inspection; (four) to consult and copy the contracts, bills, account books and other relevant materials related to the suspected unlicensed operation. Places suspected of operating without a license can be sealed up: tools, equipment, raw materials, products (commodities) and other items suspected of operating without a license can be sealed up and detained. Investigate and deal with acts suspected of operating without a license and take measures according to relevant laws and regulations. Article 279 of the Civil Code of People's Republic of China (PRC) * * * The owner shall not change the residence into business premises in violation of laws, regulations and management regulations. If the owner changes the house into a business house, in addition to complying with laws, regulations and management regulations, it shall also be unanimously agreed by the interested owners.