Ar cle 1242 Where damage is caused to another person by an ultra-hazardous thing that is illegally possessed, the illegal possessor shall bear tort liability. The owner or manager of the thing shall assume joint and several liability with the illegal possessor if he cannot prove that he has ful lled a high duty of care to prevent the illegal possession. Ar cle 1243 Where a person, without authoriza on, enters into an area where ultra-hazardous ac vi es are conducted or ultra-hazardous things are stored therein and is thus injured, the liability of the manager of the area may be mi gated or eliminated if it can be proven that he has taken su cient security measures and ful lled the duty of su cient warning. Ar cle 1244 Where there is a provision of law providing for a limit of compensa on for liability incurred as a result of an ultra-hazardous ac vity, such provision shall be followed unless the damage is caused by the actor inten onally or with gross negligence. Chapter IX Liability for Damage Caused by Domes cated Animals Ar cle 1245 Where a domes cated animal causes damage to another person, the keeper or custodian of the animal shall bear tort liability, provided that his liability may be mi gated or eliminated if it can be proven that the damage is caused by the infringed person inten onally or by gross negligence. Ar cle 1246 A keeper or custodian of an animal who, in viola on of the rules of management, fails to take safety measures on the animal and thus causes damage to another person shall bear tort liability, provided that his liability may be mi gated if it can be proven that the damage is inten onally caused by the infringed person. Ar cle 1247 Where damage is caused to another person by a dangerous animal that is prohibited from being kept, such as a erce dog, the keeper or custodian of the animal shall bear tort liability. Ar cle 1248 Where an animal of a zoo causes damage to another person, the zoo shall bear tort liability unless it can be proven that it has ful lled its du es of management. Ar cle 1249 Where an abandoned or escaped animal causes damage to another person during the period of abandonment or escape, the original keeper or custodian of the animal shall bear tort liability. Ar cle 1250 Where an animal causes damage to another person due to a third person’s fault, the infringed person may claim compensa on against the keeper or custodian of the animal, or against the third person. The keeper or custodian of the animal who has paid compensa on has the right to indemni ca on against the third person. Ar cle 1251 Anyone who keeps an animal shall abide by laws and regula ons, respect social morality, and shall not disturb the life of others. Chapter X Liability for Damage Caused by Buildings and Objects Ar cle 1252 Where a building, structure, or another type of a facility collapses or subsides and causes damage to another person, the project owner and the constructor shall assume joint and several liability, unless they can prove that there is no quality defect. Where the damage is due to the fault of another responsible person, the project owner or constructor who has made compensa on has the right to indemni ca on against the responsible person. Where a building, structure, or another type of facility collapses or subsides, and damage is thus caused to another person due to the fault of the owner, manager, user, or a third person, the owner, manager, user, or the third person shall bear tort liability. ti ti ti fi ti ti fi ti ffi ti ti ti ti ti ti ti ti fi ti ti ti ti ffi ti fi ti ti fi ti ti fi ti ti ti ti ti ti ti ti ti 134