Civil liability can be defined as “the obligation attaching to an individual or his group to make good damage caused to another by himself, by persons related to him, or by animals or things of which he has the ownership or custody”. In the first place liability is objective, for which the only requisite is to prove the harm suffered by the victim. Fault, or rather the mental state of the person liable, does not enter into the matter except at the stage when it becomes necessary to determine the measure of damages: damages will vary in accordance with the degree of “wrongful intent” of the defendant. While it does not take fault into consideration, customary law, on the contrary, considerably extends the notion of actionable damage: harm of any kind whatever can give rise to a right to compensation. In the result, there is no question of the chain of causation between the damage suffered and its author; the only question is to decide who shall pay the compensation payable in respect of such damage.