Of property regulation set:The property that the 27th owner enjoys lawfully is common place, common the droit of facilities facilities or use, construction unit does not get disciplinary action of do sth without authorization.

• 物业治理条例的规定:第二十七条业主依法享有的物业共用部位、共用设施设备的所有权或者使用权，建设单位不得擅自处分。