opposabilité aux tiers, opposabilité aux tiers, opposabilité au tiers, opposabilité de la faillite aux tiers, opposabilité de la sûreté, perfection d'une sûreté, pays en développement, pays du tiers monde, pays en voie de développement, PVD, tiers monde, inopposable aux tiers -*- Effects vis-à-vis third parties, perfection of security interest, opposability to third parties, opposability against third parties, enforceability of security interest, perfection of a security interest, developing countries, Third World, Third World countries, void as against third parties, insurance against personal injury to passengers