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CSRD explained: obligations, deadlines, implementation

The CSRD requires assured sustainability reporting. After Omnibus I the scope is two-stage: through financial year 2026 as before, and from 2027 only above 1,000 employees and EUR 450m turnover.

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CSRD at a glance

What?

An EU directive on mandatory, externally assured sustainability reporting. It replaces the earlier NFRD and is part of the European Green Deal.

Who reports through financial year 2026?

Large public-interest entities with more than 500 employees keep reporting as before. In Austria, only entities that also exceed both thresholds from 2027 report under the new rules; the others that were already obliged report under the previous law (§ 908(2a) and (2b) UGB).

And from financial year 2027?

Only companies with more than 1,000 employees and more than EUR 450m net turnover — both criteria at once. Listed SMEs are no longer obliged.

How?

Reporting under the ESRS inside the management report, externally assured at the limited level. The digital tagging duty is currently suspended.

Frequently asked questions about the CSRD

That depends on the financial year. Through financial year 2026, large public-interest entities with more than 500 employees report. From financial year 2027, only companies with more than 1,000 employees and more than EUR 450m turnover are covered, and both criteria must be met at once. In Austria, only entities above both thresholds from 2027 report under the new rules through financial year 2026 (§ 908(2a) UGB).

Not for CSRD scope. Balance sheet, turnover and headcount in the two-of-three logic still define what a "large undertaking" is under the Accounting Directive. The CSRD threshold from financial year 2027 is independent of that and requires both criteria at the same time.

The CSRD is the directive and governs the "whether" and "who". The ESRS are the standards and govern the "what" and "how".

No. Listed SMEs were originally planned as the third wave but fell out of scope entirely with Omnibus I. Smaller companies can report voluntarily under the Voluntary Standard (Delegated Regulation (EU) 2026/1560). Independently of that, a binding cap applies from financial year 2027: when a CSRD-reporting customer requests data for its CSRD reporting, it may ask companies with up to 1,000 employees only for the datapoints in Annex II of that regulation. These companies may also refuse further requests made for CSRD purposes; Member States transpose this right by Mar 19, 2027. Requests based on other obligations are not affected.

Yes, externally and at the limited assurance level. The planned move to reasonable assurance was dropped, and no assessment of that move is foreseen any more. The Commission adopts limited assurance standards by Jul 1, 2027.

Not at present. Omnibus I suspended the mark-up duty in Article 29d until the ESEF regulation (EU) 2019/815 is updated, and no application date exists. EFRAG put a draft taxonomy out for consultation in September 2026. Building machine-readable data structures is sensible, but there is no deadline for it.

In the company's management report, as a dedicated sustainability statement. The Taxonomy disclosures under Article 8 of the Taxonomy Regulation belong in the same statement but are not subject to the ESRS.

The obligation ends, the data requests do not. Large customers, banks and investors often ask for ESG data regardless of who is legally obliged. A GHG inventory helps you answer, and if you import CBAM goods you need the emissions data for those goods anyway. The difference is that you can answer voluntarily and in a structured way instead of under pressure.

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