إذ أن الالتزامات تجاه الكافة لا يمكن أن تعامل بالطريقة نفسها التي تعامل بها القواعد المرتكزة على المعاملة بالمثل.
It was also noted that responsibility for the breach of rules whose structure no longer corresponded to the classic Westphalian system, such as erga omnes obligations, could not be treated in the same manner as rules based on reciprocity.