كما أشير إلى وجود مجال واحد تتباين فيه بالضرورة قواعد قانون المعاهدات والقواعد السارية على الأفعال الانفرادية، وهذا المجال يتعلق بتفسير الأفعال الانفرادية (انظر أيضا الفرع 4 أدناه).
As regards possible areas where provisions on treaty law and on unilateral acts might differ, the example was given of article 6 proposed by the Special Rapporteur, entitled “Expression of consent”, an expression taken from the Vienna Convention on the Law of Treaties, which did not convey very clearly what was intentional about the unilateral act.