(34)Depositaries play an important role in safeguarding the interests of investors and should be able to perform their duties regardless of the type of the custodian that safekeeps the AIFs’ assets. Therefore, where they provide custody services to AIFs, it is necessary to include central securities depositories (CSDs) in the custody chain in order to ensure that, in all cases, there is a stable information flow between the custodian of an AIF’s asset and the depositary. To avoid unnecessary work, the depositaries should not perform ex ante due diligence where they intend to delegate custody to CSDs.