In a report submitted today as technical advice to the European Institutions (Ref. CESR/10-088), CESR recommends the introduction of a pan-European disclosure regime for net short positions in shares. In the meantime, those CESR Members that already have powers to introduce a permanent disclosure regime, as elaborated in the report, will begin the process of implementing this regime. Those CESR Members who do not have the necessary legal powers will aim towards implementing this regime on a best efforts basis, until an EU regime is adopted.