1.The Commission estimates for missing data shall be based on the principles set out in paragraphs 2, 3 and 4.
2.If a consistent time series of reported estimates for the relevant source category is available from the Member State for previous years that has not been subject to adjustments under Article 5(2) of the Kyoto Protocol, extrapolation of that time series shall be used to obtain the emission estimate.
For carbon dioxide emissions from the energy sector, extrapolation of emissions should be based on the percentage change of Eurostat carbon dioxide emission estimates.
3.If the estimate for the relevant source category was subject to adjustments under Article 5(2) of the Kyoto Protocol in previous years and the Member State has not submitted a revised estimate, the basic adjustment method used by the expert review team as set out in the technical guidance on methodologies for adjustments under Article 5(2) of the Kyoto Protocol, hereinafter referred to as ‘the technical guidance for adjustments’, shall be used, without application of the conservativeness factor defined in that guidance.
4.If a consistent time series of reported estimates for the relevant source category is not available and if the estimate of the source category has not been subject to adjustments under Article 5(2) of the Kyoto Protocol, the estimation shall be based on the technical guidance for adjustments, without application of the conservativeness factor defined in that guidance.