This Practice Note sets out what turnover (or revenue) information is required for a multi-jurisdictional merger control assessment to assess the jurisdictions where the applicable merger control filing thresholds are met, therefore requiring merger control filings and approvals. Preliminary comments A few comments on the approach taken in this note: 1. For a transaction to be notifiable in a particular jurisdiction, it does not only have to meet the applicable filing thresholds but it also has to constitute a notifiable event under the rules of that jurisdiction. This note only addresses the data needed for an initial assessment of where the filing thresholds are met—it does not discuss the applicable rules that determine what kind of transactions constitute a notifiable event. In a nutshell, in most jurisdictions (including, most notably, the EU), transactions such as mergers, acquisitions and joint ventures are only a notifiable event if they bring about a lasting change in 'control' of the companies concerned (for more on the concept