DataSolmu blog
Revised ESRS In The Official Journal: Plan The 2027 Reporting Year
Use the published revised ESRS as a dated reference point and turn the 2027 transition into a controlled change plan.
The revised European Sustainability Reporting Standards are now published in the Official Journal as Commission Delegated Regulation (EU) 2026/1563. According to the publication, the regulation enters into force in November 2026 and applies to financial years starting on or after 1 January 2027. For teams that spent the last two years working from drafts, consultation papers and secondary commentary, that is a useful moment: there is finally a dated legal text to anchor the change.
Publication does not do the transition work for anyone. It does make it possible to plan that work against one reference instead of several moving versions.
Treat The Published Text As A Version, Not A Rumour
Many reporting teams carry notes, spreadsheets and internal guidance built on earlier ESRS drafts. Before changing anything, record which version each artefact was based on. A simple register with the artefact, its source version, its owner and its review date helps a team see where older assumptions may still be in use.
The aim is not to rewrite everything at once. It is to know which materials now need a deliberate check against the published text, and which ones can be retired.
Compare Before You Rebuild
The revised standards are widely described as a simplification. That does not mean every existing datapoint disappears or that every process becomes lighter. A practical comparison asks, for each topic the organisation already reports or prepares:
- Is the disclosure still required, now voluntary, or no longer present?
- Has the wording changed in a way that affects the data definition, boundary or period?
- Does an existing evidence source still support the revised requirement?
- Who decides when the answer is unclear?
Keep the comparison results in the same place as the decisions that follow from them. A later reviewer should be able to see why a metric was kept, changed or dropped.
Re-map Datapoints Without Breaking History
Data models often use framework references as identifiers. When the framework changes, that habit creates painful migrations. A more resilient approach keeps an internal, stable identifier for each metric and stores the external ESRS reference as a mapped attribute that can change between versions.
That way a 2026 value and a 2027 value can be compared where the underlying fact is the same, and differences in definition stay visible instead of silently merging.
Give The 2027 Year An Owner Now
The first financial year under the revised standards starts on 1 January 2027 for many in-scope companies. Data for that year begins accumulating on the first day, not at year end. Assign owners for the topics most likely to change, agree which evidence will be retained during the year and schedule a mid-year review of open questions.
Varmennappi can help teams keep evidence requests, owners, versions and review comments connected while the reporting baseline changes. It does not provide legal advice, auditor assurance, regulator acceptance or a guarantee of filing compliance. The reporting organisation remains responsible for its scope decisions and professional review.
Practical Takeaway
Use the publication of the revised ESRS as a version line. Record what each artefact was based on, compare before rebuilding, keep internal metric identifiers stable and give the first affected reporting year an owner before it starts.
Source
EUR-Lex: Commission Delegated Regulation (EU) 2026/1563 (revised ESRS)