`1` توليد (استكمال) البيانات الوطنية المتعلقة بالنشاط، إذا كانت هذه البيانات متاحة كما هو مطلوب في الفقرة 25 أعلاه، وتم تجميعها وفقاً للمبادئ التوجيهية بشأن الممارسات الجيدة للفريق الحكومي الدولي المعني بتغير المناخ؛
Recommended international data sources as included in the inventory review resources listed in annex I; Extrapolation (interpolation) methods if the international data sources do not provide data for the year in question, in which case the activity data should be obtained as follows (in order of preference): Extrapolation (interpolation) of national activity data, if these data are available as required in paragraph 25 above, and were collected in accordance with the IPCC good practice guidance; Extrapolation (interpolation) of data from recommended international data sources included in the inventory review resources listed in annex I; Extrapolation (interpolation) using drivers or surrogate data from the inventory review resources listed in annex I.