وإضافةً إلى ذلك، سيحاول استخلاص بعض المعايير القانونية من النظم القائمة وربما أعدّ بعض مشاريع المواد.
In the Beef Hormones case, the Appellate Body of the World Trade Organization concluded that whatever the status of the “precautionary principle” under environmental law, it had not become binding on the WTO as it had not, in its view, become binding as a customary rule of international law.