(11)As a result of lifecycle events such as clearing, novation or compression, certain derivatives are created, modified or terminated. In order to enable competent authorities to understand the sequences of events occurring in the market and the relations between the reported derivatives, it is essential to provide a method to link all relevant derivatives impacted by the same lifecycle event. As the most efficient way of linking the derivatives may differ depending on the nature of the event, different linking methods should be set out.