1. For each securities settlement system it operates, a CSD shall keep records and accounts that shall enable it, at any time and without delay, to segregate in the accounts with the CSD, the securities of a participant from those of any other participant and, if applicable, from the CSD's own assets.
2. A CSD shall keep records and accounts that enable any participant to segregate the securities of the participant from those of the participant's clients.
3. A CSD shall keep records and accounts that enable any participant to hold in one securities account the securities that belong to different clients of that participant ('omnibus client segregation')
4. A CSD shall keep records and accounts that enable a participant to segregate the securities of any of the participant's clients, if and as required by the participant ('individual client segregation').
5. A participant shall offer its clients at least the choice between omnibus client segregation and individual client segregation and
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