OneClearstream rollout documentation
The OneClearstream service rollout related customer documentation can be found consolidated on this page by topic and market.
Further documentation will be added as more market links are activated.
Clients can obtain details on specific T2S CSD-in securities accepted in OneClearstream by means of a simple query via the Clearstream Codelist - Securities Database.
For LMP specific search criteria please refer to the Announcement C20056.
OneClearstream service description
Clients with CBF CASCADE accounts should refer to:
- The OneClearstream Customer Handbook that describes the OneClearstream asset servicing processes for clients of Clearstream Banking Frankfurt using the OneClearstream service.
- The
OneClearstream Asset servicing - CBF issued securities
document that describes the OneClearstream asset servicing processes for CBF as the Issuer-CSD. The activation of OneClearstream services for CBF-issued securities is optional.
Note: As part of the Corporate Action Harmonisation (CAH) Project as of 3 July 2023, asset servicing for CBF-issued securities will be upgraded to OneClearstream Asset Servicing level (CAH – KADI DE migration to OneCAS) and becomes mandatory for all clients with CBF, CBF-i and CBL accounts. This applies only for migrated CBF-issued securities and respective events. For details, clients should refer to the respective announcements and Detailed Functional Specifications which are provided below in the market-specific migration information for the German market.
Clients with CBL or CBF-i accounts are informed about the changes to the existing services via Release information and dedicated announcements.
Subscription forms
- Xact Web Portal application form - CBF
- Xact Web Portal application form - CBL
- OneClearstream asset services options order form
Xact Web Portal documentation
Documentation and video tutorials can be found on the Xact Web Portal documentation page.
Market-specific migration information
Germany – Mandatory asset servicing upgrade to OneClearstream asset servicing level (CAH – KADI DE migration to OneCAS)
Activation date: 3 July 2023
CBF accounts | CBL or | |
Market coverage | ||
Cutover announcements | D23013: Corporate Action Harmonisation - Changes in processing of warrants | C22009: "Harmonisation of Clearstream Banking’s asset services" - Update |
Simulation | Corporate Actions Harmonisation - KADI DE Migration to OneCAS - Client Simulation Registration Form Corporate Actions Harmonisation - KADI DE Migration to OneCAS - Client Simulation Guideline | |
Detailed Functional Specifications | CAH KADI DE Migration to OneCAS - Detailed Functional Specifications (Update May 2023) “Main Paying Agent / Lead Manager report” Preliminary example XLSX file | |
Migration | KADI DE Migration to OneCAS Corporate Action Harmonisation - Client Migration Guide | |
Eurobonds – activation completed
Activation date Step 1: 22 March 2021
Activation date Step 2: 19 April 2021
CBF accounts | CBL or CBF-i accounts | |
Market coverage | ||
Cutover announcements | C20043: "Eurobonds eligibility in T2S - Phase 2 - update" | |
List of ISINs | ||