EBU Single Rulebook Q&A 19 October 2021 2021_6243 Identifying the customer of a collecting PSP

Does the fact that a collecting PSP (e.g. one providing the payment service acquiring of payment transactions to the payee) is involved in the flow of funds between the payer and the payee mean that the same PSP, if also providing merchant-facing payment initiation services, would have to assess the payer using PIS to be its customer in a different way than it would have to do if it were to