The following property management files, belong to the long-term preservation ().

The knowledge point of this exam is the long-term preservation of property management files. Property management files need to be preserved for a long time:

(a) the annual quarterly plan, summary and report of property management; (2) Basic technical and commercial data, maintenance contracts and records, records of major, medium and small repairs and renovations, and meeting resolutions of ancillary facilities and equipment related to the property (working experience is more than 5 years 10 years); (3) the property ontology and large or important ancillary facilities and equipment maintenance records.