(35)The re-hypothecation, re-pledge or re-use of collateral collected as initial margins would create new risks for counterparties due to claims of third parties over the assets in the event of a default. Legal and operational complications could delay the return of the collateral in the event of a default of the initial collateral collector or the third party or even make it impossible. In order to preserve the efficiency of the framework and ensure a proper mitigation of counterparty credit risks, the re-hypothecation, re-pledge or re-use of collateral collected as initial margin should therefore not be permitted.