European regulators have taken a concrete step to operationalise the active account requirement, releasing new templates and guidance for firms subject to EMIR 3.
Summary
ESMA finalises AAR reporting templates and instructions
The European Securities and Markets Authority (ESMA), the EU’s financial markets regulator and supervisor, has published detailed reporting templates and instructions for the Active Account Requirement (AAR) under the European Market Infrastructure Regulation (EMIR 3). This package is designed to support consistent and transparent reporting by all in-scope entities.
The new templates specify how entities subject to the AAR must transmit the required information to their national competent authorities. Moreover, ESMA‘s documentation clarifies the data fields, format and periodicity expected for each report, helping market participants align internal systems and controls ahead of the first deadline.
According to ESMA, the objective is to secure a harmonised and efficient approach to AAR reporting across the EU. However, the authority also emphasises that standardised templates and clear instructions are crucial for facilitating consistent supervisory practices and enabling comparable data analysis between Member States.
Harmonised AAR reporting across the EU
The initiative introduces standardised templates that all reporting entities will use when submitting AAR data. In practice, this should reduce interpretative differences and operational burdens that could arise from divergent national practices. That said, firms will still need to carefully review ESMA’s instructions to ensure proper mapping of internal data to the new formats.
ESMA explains that the templates are structured to capture all information necessary to monitor compliance with the active account requirement under EMIR 3. Furthermore, the authority expects that a single, harmonised framework will improve data quality, support risk monitoring of central clearing exposures, and streamline oversight of cross-border activity.
Market participants are encouraged to start implementation work well ahead of the first reference period cut-off on 30 June 2026. However, early engagement should also help identify any operational gaps in data collection, reconciliation or validation processes before reporting becomes mandatory.
Timeline and reporting frequency
The first AAR reporting submission to the relevant competent authorities is expected on 31 July 2026. This initial report will cover the period from 25 June 2025, when the AAR became applicable, to 30 June 2026. As a result, firms will need to ensure they retain and structure data across this entire timeframe.
Thereafter, AAR reporting will take place on a six-month basis, with submissions due on 31 January and 31 July each year. Each submission will cover a twelve-month reference period, meaning that reporting windows will overlap but will provide supervisors with a continuous view of market behaviour and compliance.
Moreover, the recurring cycle is expected to embed AAR reporting within firms’ routine regulatory processes. That said, entities may need to enhance internal governance, including sign-off procedures and quality checks, to meet the regular reporting deadlines without compromising data accuracy.
Next steps for firms and authorities
In the coming months, firms subject to EMIR 3 should assess how the new ESMA templates interact with existing reporting frameworks, including any derivatives reporting already in place. However, they will also need to consider system upgrades, staff training and documentation updates to ensure a smooth transition.
National competent authorities, for their part, will prepare to ingest and analyse the incoming AAR data using the newly standardised templates. Furthermore, supervisors are likely to refine their monitoring tools and methodologies to exploit the richer dataset and identify potential risks in central clearing and related market activity.
For any additional information, ESMA directs stakeholders to its Senior Communications Officer via [email protected]. In summary, the release of the AAR templates and instructions marks a key milestone in implementing EMIR 3, laying the foundation for more consistent oversight of clearing activity across the European Union.
