CSRD and ESRS deadlines and compliance calendar

Start the calendar with the legal implementation dates, then layer in the undertaking's own financial year-end and Member State publication rules. The CSRD required Member States to transpose the main reporting provisions by 6 July 2024.

Under the amended application rules, the first wave covers financial years starting between 1 January 2024 and 31 December 2026 for large public-interest undertakings with more than 500 employees and public-interest parent undertakings of large groups with more than 500 employees on a consolidated basis. A Member State may use the separate 2025-2026 exemption described below for an undertaking that does not meet both new thresholds.

The original CSRD text then set later waves for other large undertakings and parent undertakings of large groups from financial years starting on or after 1 January 2025, and listed SMEs, certain small and non-complex institutions, captive insurance undertakings, and captive reinsurance undertakings from financial years starting on or after 1 January 2026.

Directive (EU) 2025/794 postponed by two years the original application dates for companies that were previously required to report first for financial years 2025 or 2026. Directive (EU) 2026/470 then replaced those later-wave categories: for financial years beginning on or after 1 January 2027, Articles 19a and 29a apply when an undertaking, or a group on a consolidated basis, exceeds both EUR 450 million in net turnover and an average of 1,000 employees.

Directive (EU) 2026/470 entered into force on 18 March 2026, but Member States have until 19 March 2027 to transpose its CSRD amendments. It also lets Member States exempt undertakings that do not exceed either new threshold from reporting for financial years beginning in 2025 or 2026. For those years, record the applicable national law instead of assuming that the optional exemption applies.

For each legal entity or consolidated group, keep a row that distinguishes the original CSRD wave from later postponement or simplification measures. This prevents teams from deleting preparation work for wave one while also avoiding unsupported assumptions for postponed waves.

Wave one remains a live reporting calendar item unless the applicable Member State uses the optional 2025-2026 exemption for an undertaking that does not exceed either amended threshold. The Commission also notes that a 2025 quick-fix delegated act gives wave one companies additional disclosure flexibility for financial years 2025 and 2026 compared with financial year 2024. That quick fix changes disclosure content; it is not a general reporting delay.

The original CSRD gave listed SMEs a transitional opt-out for financial years beginning before 1 January 2028 if they briefly explained in the management report why sustainability reporting was omitted. Directive (EU) 2026/470 later deleted the listed-SME reporting wave from the post-2026 application rules. Keep the old opt-out only when documenting a historical or pre-amendment position, not as the main current-scope test.

Once an entity is in scope for a reporting year, the calendar should not stop at the wave date. The Commission FAQ explains that the sustainability statement must be included in a dedicated section of the management report, prepared under ESRS, marked up under the digital taxonomy when applicable, subject to assurance, and published together with the assurance opinion.

The Commission FAQ states that CSRD does not change the Accounting Directive's outer limit: Member States set the publication period for the approved annual financial statements and management report, and that period may not exceed 12 months after the balance-sheet date. Issuers under the Transparency Directive must also check the separate four-month deadline for publishing the annual financial report.

Count backwards from the local statutory publication date, not from a generic EU filing date. Put materiality sign-off, data freeze, assurance readiness, management-report approval, XHTML preparation, XBRL tagging review, and publication submission into separate entries.

Separate binding standards from standards-development milestones. ESRS Set 1 under Delegated Regulation (EU) 2023/2772 applies from 1 January 2024 for financial years beginning on or after that date. On 3 July 2026, the Commission adopted a delegated act to revise Set 1, but the Commission's official acts page states that it is not in force until publication in the Official Journal.

Directive (EU) 2026/470 deleted the Commission's obligation to adopt sector-specific ESRS, so 30 June 2026 is no longer a sector-specific standards deadline. The separate Article 40b deadline for third-country undertaking standards was not deleted: Directive (EU) 2024/1306 moved it to 30 June 2026. Treat it as a Commission adoption deadline, not a company filing date, and do not assume that the passage of the deadline makes a standard applicable without an adopted act and its entry into force.

For assurance, keep the current limited-assurance engagement workstream distinct from the EU assurance-standard timetable. Directive (EU) 2026/470 moves the Commission deadline for limited assurance standards to 1 July 2027 and removes the former requirement to adopt reasonable assurance standards.

Each CSRD calendar record should show which legal wave or caveat the team relied on, which annual-report deadline controls publication, and which evidence must exist before management-report approval.

Keep proposed simplification measures, political agreements, delegated acts, and enacted directives in separate status fields. That helps visitors and internal users see whether a date is already binding for the entity or still needs national-law confirmation.