On an international level, we actively contribute to the following organizations and working groups.

• Association of National Numbering Agents (ANNA)
• International Capital Markets Association (ICMA), ICMA European Repo and Collateral Council (ERCC)
• International Capital Markets Services Association (ICMSA)
• International Securities Lending Association (ISLA)
• International Securities Market Advisory Group (ISMAG)
• International Standards Organization (ISO)
• International Securities Services Association (ISSA)
• Securities Market Practice Group (SMPG)
• Society for Worldwide Interbank Financial Telecommunications (Swift)

Within Europe, Clearstream plays a leading role in various working groups and associations at EU level:

• ECB’s Advisory Group on Market Infrastructures for Securities and Collateral (AMI-SeCo)
• European Central Securities Depositories Association (ECSDA)
• EU T+1 Industry Committee
• ESMA’s Post-Trading Working Group (PTWG)
• TARGET-2 Securities (T2S) CSD Steering Group

In addition, Clearstream Fund Services actively participates in the following key fund industry bodies and regional associations with a focus on Ireland and the UK:

• Cork Chamber
• Investment operations advisory Committee (ICI)
• Irish Funds Industry Association
• Security Industry Management Association (SIMA)
• Tech Industry Alliance 
• The Investment Association (IA)

On a national level, Clearstream maintains a strong network across several domestic markets, particularly in its home markets Luxembourg and Germany.

Luxembourg

• Association des Banques et Banquiers (ABBL, Luxembourg Bankers' Association)
• Association of the Luxembourg Compliance officers (ALCO)
• Association of the Luxembourg Fund Industry (ALFI)
• Association Luxembourgeoise des Membres et Utilisateurs de Swift (ALMUS)
• Chambre de Commerce Luxembourg (CCL)
• Fédération des Professionnels du secteur financier (PROFIL)
• International Bankers Club Luxembourg (IBC)
• Luxembourg Capital Markets Association (LuxCMA)
• Luxembourg for Finance (LFF)
• Luxembourg House of Financial Technology (LHoFT)
• Luxembourg Private Equity & Venture Capital Association (LPEA)

Germany

• AMI-SeCo National Sub-Group at Bundesbank (German central bank)
• Bundesverband Deutscher Banken e.V. (Association of German Banks)
• BVI Depotbank
• German Swift Securities User Group (DESSUG) and its Proxy Subgroup Germany (PSG)

Additionally, in Germany, Clearstream does not only keep contact with the German local tax office, but also with Bundeszentralamt für Steuern (BZSt, German Federal Central Tax Office) and Bundesministerium der Finanzen (BMF, German Federal Ministry of Finance) and is regularly asked to review and comment on drafts of BMF letters and draft laws.

Clearstream maintains networks with local tax authorities, local custodians and external tax advisors to address tax regulatory and tax processing issues in the respective markets. We take an active part in a number of industry bodies dealing with tax-related issues at all levels.

• Engagement with the EU Commission on FASTER
• AMI-SeCo Collateral Management Group: Taxation Processes Expert Group
• Association of Qualified & Authorised Intermediaries (AQAI)
• Observatoire de la Fiscalité (France Post-Marché [formerly AFTI])
• Luxembourg Tax Group, US tax issues forum and FATCA implementation (ABBL)

Outside Europe, the Clearstream group contributes to the development of cross-border investment and development of the related settlement and custody infrastructures in Asia and North America through the following organizations.

• Asian Securities Industry and Financial Markets Association (ASIFMA)
• Securities Industry and Financial Markets Association (SIFMA), via the Deutsche Börse Group company Eurex