أما التحفظات الأخرى فتنشئ الآثار المنصوص عليها في المادة 21 من اتفاقيتي فيينا، اعتباراً من تاريخ بدء نفاذ المعاهدة في العلاقات بين الطرفين.
They may wish to avoid the slowness and uncertainty linked to the requirement that the other Contracting Parties must have received notification of withdrawal. This is especially when there would be no need to modify internal law as a consequence of the withdrawal of reservation by another State or organization.