(أ) في جميع المعاملات: الوحدات المسحوبة أو الملغاة سابقاً؛ وفيما يتعلق بالوحدات الموجودة في أكثر من سجل واحد؛ والوحدات التي لم يتم بشأنها تسوية ما سبق تحديده من التباسات؛ والوحدات المرَحَّلة على نحو غير صحيح والوحدات الصادرة على نحو غير صحيح، بما فيها الوحدات المخلَّة بالكميات المحددة في المقرر -/م أإ-1 (استخدام الأراضي وتغير استخدام الأراضي والحراجة)؛ وتخويل الكيانات القانونية المعنية أن تشارك في المعاملة؛
In all transactions: units previously retired or cancelled; units existing in more than one registry; units for which a previously identified discrepancy has not been resolved; units improperly carried over; units improperly issued, including those which infringe upon the limits contained in decision -/CMP.1 (Land use, land-use change and forestry); and the authorization of legal entities involved to participate in the transaction; In the case of transfers between registries: the eligibility of Parties involved in the transaction to participate in the mechanisms; and infringement upon the commitment period reserve of the transferring Party; In the case of acquisitions of CERs from land use, land-use change and forestry projects under Article 12: infringement of the limits contained in decision -/CMP.1 (Land use, land-use change and forestry); In the case of a retirement of CERs: the eligibility of the Party involved to use CERs to contribute to its compliance under Article 3, paragraph 1.