The use conditions and scope of the maintenance fund mainly include: major and medium-sized repairs and renovation projects of the main structure of the house, public parts and public facilities and equipment after the warranty period expires. The main load-bearing structures of houses include foundation, internal and external load-bearing walls, columns, beams, floors and roofs. Public parts refer to outdoor walls, hallways, stairwells, corridors, etc. Public facilities and equipment refer to water supply and drainage pipelines and equipment, distribution cables and equipment, elevators, public lighting, fire-fighting facilities, green spaces, roads, ditches, non-operating parking garages, public cultural and sports facilities and other facilities and equipment owned and used by the owner. Owners who use public housing maintenance funds account for more than two-thirds of the total construction area, accounting for more than two-thirds of the total number of people. After discussion and adoption of suggestions, they finally have to be approved by the real estate administrative department or the corresponding management department for filing and review.

First, the infringement rights that the owners or owners' congress can claim are:

1. The perpetrator stops the infringement;

2. Remove obstacles;

3. Eliminate danger;

4. compensation;

5. Compensation for losses;

6. The parties may report or complain to the relevant administrative department;

Second, the owner's related obligations and responsibilities are reflected in:

1. The owner shall abide by laws, regulations and management regulations;

2. Relevant behaviors should meet the requirements of saving resources and protecting the ecological environment;

3 for the realty service enterprise or other managers to implement the emergency measures and other management measures implemented by the government according to law, the owners shall cooperate with them according to law;

Legal basis: Article 281 of the Civil Law of People's Republic of China (PRC), the maintenance fund of the building and its ancillary facilities belongs to the owner. With the consent of the owner, it can be used for local maintenance, renewal and transformation of elevators, roofs, external walls and barrier-free facilities. The collection and use of maintenance funds for buildings and their ancillary facilities shall be announced regularly.

In case of emergency, if the building and its ancillary facilities need to be repaired, the owners' assembly or the owners' committee may apply for the maintenance funds of the building and its ancillary facilities according to law.