1. The number of clients affected by the incident as referred to in Article 18(1), point (a), of Regulation (EU) 2022/2554, shall reflect the number of all affected clients, whether natural or legal persons, that are or were unable to make use of the service provided by the financial entity during the incident or that were adversely impacted by the incident. That number shall also include third parties explicitly covered by the contractual agreement between the financial entity and the client as beneficiaries of the affected service.