ذلك أن إحدى العقبات الرئيسية التي واجهها المقرر الخاص قد تمثلت في عدم وجود دراسة كافية لمسألة الممارسة.
Perhaps some rules or guidelines could be developed based on the practice regarding recognition of States and governments, though these would certainly not be as precise nor detailed as the norms in the area of treaty law.