(4)The interim target will be used internally to monitor the emissions reduction trajectory of the aggregate Eurosystem corporate bond portfolios held under the CSPP and the PEPP. If deviations from the targeted decarbonisation trajectory are identified, the Governing Council will assess the need for remedial actions, on a case-by-case basis, considering the drivers and effects of the identified deviations as well as the proportionality and absence of prejudice to price stability of such remedial actions.