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.
i) Extrapolation (interpolation) des données d'activité nationale, si ces données sont disponibles comme indiqué au paragraphe 25 ci-dessus et si elles ont été rassemblées conformément au guide des bonnes pratiques du GIEC;