(4)Further, where heads of work units have concerns with regard to the complexity or the sensitivity – in terms of impact on the ECB’s reputation and/or on the functioning of the Single Supervisory Mechanism – of an amendment to a decision on significance, such amendment to a decision on significance should be adopted under the non-objection procedure and not by means of a delegated decision. This amendment ensures alignment with the procedures set out in the delegation decisions adopted by the Governing Council pursuant to Article 4 of Decision (EU) 2017/933 (ECB/2016/40) in relation to other types of supervisory decisions.