esma65-8-6254_public_statement_on_brexit_data_operational_plan.pdf

Here are the key points from the document:

FIRDS Maintenance Window

• Reporting entities should continue reporting transaction data during the maintenance window.
• FIRDS system delivery of updated reference data after no-deal Brexit may be delayed.

Transaction Reporting Systems

• Reporting entities should continue reporting transaction data to NCAs (National Competent Authorities) using the latest available reference data from before 29 March 2019.
• NCAs will assign a "Pending" status to transactions for which reference data is missing, up to seven days.

ESMA's Registers and Data

• ESMA will adjust its Registers and data, removing or highlighting UK-provided records as no longer applicable.
• Authorised/Registered Entities Register: UK data submitted before Brexit will have an authorisation end date of 29 March 2019. SI, trading venues, investment firms, and DRSPs will be displayed with a continued authorisation.

Short-Selling Exempted Shares Register

• Content of the register will remain unchanged until reported exemptions are verified by the new RCA.
• Full update expected by June 2019.

Prospectus Register

• Prospectuses issued by UK entities will be assigned a status equal to cancelled and withdrawn from the register.

Communication to External Stakeholders

• ESMA will communicate before entering into the maintenance window and upon completion of planned actions.
• If implementation takes longer than expected, ESMA will inform stakeholders with an updated estimated time for completion.