What department is responsible for posting small advertisements in the corridors?

It shall be supervised by the city management department or property management department.

Small advertisements posted in corridors shall be supervised by the city management department or property management department. The specific jurisdiction of which department is under the jurisdiction varies by region. It is the responsibility of the local city administration, urban management and law enforcement departments, property management companies and other relevant agencies. These departments will enforce laws and regulations and punish or clean up illegal advertising. If you find If there are illegal small advertisements posted in the corridor, you can report it to the relevant departments or property management companies and provide detailed descriptions of the situation, photos and other evidence to help them strengthen management and maintain the environmental sanitation of the corridors. Actively participate in community construction and publicity, improve residents' awareness of environmental protection, and jointly create a clean and orderly community environment.