--- title: "CSRD vs IFRS S1 and S2 Comparison" canonical_url: "https://www.sorena.io/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-ifrs-s1-and-s2" source_url: "https://www.sorena.io/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-ifrs-s1-and-s2" author: "Sorena AI" description: "Compare CSRD and ESRS with IFRS S1 and S2 across scope, materiality, disclosures, value chain reporting, assurance, digital tagging, and interoperability." published_at: "2026-05-09" updated_at: "2026-05-09" keywords: - "CSRD" - "ESRS" - "IFRS S1" - "IFRS S2" - "ISSB" - "double materiality" - "sustainability reporting interoperability" - "CSRD and ESRS" - "sustainability reporting" - "interoperability" --- **[SORENA](https://www.sorena.io/)** - AI-Powered GRC Platform [Home](https://www.sorena.io/) | [Solutions](https://www.sorena.io/solutions) | [Artifacts](https://www.sorena.io/artifacts) | [About Us](https://www.sorena.io/about-us) | [Contact](https://www.sorena.io/contact) | [Portal](https://app.sorena.io) --- # CSRD vs IFRS S1 and S2 Comparison Compare CSRD and ESRS with IFRS S1 and S2 across scope, materiality, disclosures, value chain reporting, assurance, digital tagging, and interoperability. *CSRD* *IFRS S1/S2* *Comparison* ## CSRD vs IFRS S1 and S2 comparison for reporting teams A side-by-side view of where EU CSRD and ESRS requirements differ from, and can interoperate with, IFRS Sustainability Disclosure Standards. Use it to separate mandatory EU sustainability statement work from ISSB-aligned investor disclosure work without losing reusable evidence. CSRD is an EU legal reporting regime that uses ESRS for sustainability statements. IFRS S1 and IFRS S2 are ISSB sustainability disclosure standards that jurisdictions may adopt or companies may use for global investor reporting. The two sets are deliberately aligned in many areas, but they do not have the same legal trigger, audience, materiality lens, assurance route, or digital reporting mechanics. ## CSRD and ESRS vs IFRS S1 and S2 These rows focus on the practical differences that matter when a company needs to apply ESRS, IFRS S1 and S2, or both. - **CSRD and ESRS**: CSRD amends EU company reporting law; ESRS define the sustainability information in the management report for in-scope companies. - **IFRS S1 and S2**: IFRS S1 and S2 are ISSB standards for sustainability-related financial disclosures, with S1 covering general requirements and S2 covering climate-related disclosures. | Dimension | CSRD and ESRS | IFRS S1 and S2 | Operational implication | Sources | | --- | --- | --- | --- | --- | | Scope boundary | CSRD is EU legislation. ESRS were adopted through Commission Delegated Regulation (EU) 2023/2772 and apply through the Accounting Directive as amended by CSRD. | IFRS S1 and S2 are IFRS Sustainability Disclosure Standards developed by the ISSB. They are applied when a jurisdiction adopts or otherwise uses ISSB Standards, or when a company chooses to apply them. | Do not treat ISSB alignment as a substitute for CSRD scoping. First confirm whether the company is in CSRD scope, then map which IFRS S1/S2 disclosures can be reused. | [Commission Delegated Regulation (EU) 2023/2772](https://data.europa.eu/eli/reg_del/2023/2772/oj?ref=sorena.io) - Adopts the first set of ESRS used for CSRD sustainability reporting.
[Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - European Commission overview of CSRD, ESRS, and related implementation resources.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports using interoperability guidance to reduce duplication without merging the frameworks. | | Covered actors | ESRS sustainability statements are prepared for users named in ESRS, including investors and other users such as business partners, trade unions, civil society, governments, analysts, and academics. | IFRS S1 and S2 focus on investor-company dialogue by providing decision-useful, globally comparable sustainability-related disclosures for investors. | Start from the CSRD reporting entity and ESRS sustainability statement, then identify which ISSB disclosures serve the investor-focused audience without dropping ESRS users or topics. | [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Grounds the need to preserve ESRS users and sustainability statement context when mapping to ISSB disclosures.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Describes ISSB Standards as sustainability disclosure standards for decision-useful information. | | Trigger | ESRS uses double materiality. A sustainability matter is material when it meets impact materiality, financial materiality, or both; ESRS 2 general disclosures remain required irrespective of topic materiality. | IFRS S1 and S2 use an investor-focused materiality lens for decision-useful sustainability-related financial disclosures. | An ISSB materiality assessment cannot replace ESRS double materiality. Reuse risk and opportunity analysis, but keep ESRS impact materiality evidence and topic-omission reasoning. | [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Defines double materiality, impact materiality, financial materiality, and mandatory ESRS 2 disclosures.
[Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - Explains that ESRS 2 is mandatory and that materiality-assessed disclosures are not voluntary.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports the ISSB comparison and notes alignment work on key concepts including materiality.
[EFRAG IG 1 Materiality Assessment](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG implementation guidance includes IG 1 on materiality assessment for ESRS preparers. | | Core obligations | ESRS has cross-cutting standards, topical standards, and future sector-specific standards. ESRS 2 structures disclosures around governance, strategy, impact/risk/opportunity management, and metrics and targets. | IFRS S1 sets general sustainability-related financial disclosure requirements; IFRS S2 adds climate-related disclosure requirements. The interoperability guidance says the standards are aligned at a high level, especially for climate. | Build a disclosure crosswalk by requirement, not by theme alone: ESRS 2 and topical ESRS datapoints may be more granular than an IFRS S1/S2 management narrative. | [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Lists the ESRS architecture and reporting areas used in ESRS 2 and topical standards.
[ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using ESRS data point guidance for detailed crosswalk work.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Explains the published ESRS-ISSB guidance and its detailed climate-related analysis. | | Evidence record | A CSRD evidence file should retain the CSRD scope conclusion, ESRS materiality assessment, IRO register, ESRS 2 disclosures, topical disclosure decisions, value-chain methods, assurance evidence, and tagging crosswalk. | An IFRS S1/S2 evidence file should retain investor-material sustainability risks and opportunities, governance and strategy disclosures, climate assumptions, metrics and targets, and any interoperability mapping to ESRS. | Use shared data owners for emissions, finance, risk, HR, procurement, and legal evidence, but require each data point to show the disclosure requirement it supports. | [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Supports ESRS evidence categories such as material impacts, risks and opportunities, governance, strategy, policies, actions, metrics, and targets.
[ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using EFRAG IG 1, IG 2, and IG 3 as implementation aids for evidence structure.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports building shared controls while preserving separate disclosure mappings. | | Value chain coverage | ESRS value chain reporting covers activities, resources, and relationships in own operations plus upstream and downstream value chain, including indirect business relationships where relevant to material impacts, risks, and opportunities. | IFRS S1 and S2 also address value-chain information, and EFRAG's value-chain guidance notes alignment with ISSB definitions, but ESRS still controls the CSRD sustainability statement. | Use one supplier and value-chain data model where possible, but tag each field to the ESRS disclosure or ISSB disclosure it supports. | [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Defines value chain, business relationships, and upstream/downstream value-chain concepts in ESRS.
[ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using EFRAG value-chain guidance when defining shared value-chain data inputs.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports coordinated data collection for companies applying both ISSB Standards and ESRS. | | Enforcement | CSRD adds sustainability reporting assurance into EU audit and company-reporting law. The audit committee may monitor sustainability reporting, electronic reporting, and assurance processes. | IFRS S1 and S2 do not themselves create an EU assurance mandate. Assurance depends on the jurisdiction, regulator, listing rule, or voluntary assurance engagement. | For CSRD reporters, design evidence for assurance from the start. IFRS S1/S2 evidence can support assurance, but it does not remove CSRD assurance responsibilities. | [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - Commission CSRD overview covering sustainability reporting and implementation context.
[Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - States that the materiality assessment process is subject to external assurance under the Accounting Directive.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports ISSB/ESRS interoperability without treating IFRS S1/S2 as the EU assurance rule.
[EFRAG IG 1 Materiality Assessment](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG IG 1 supports documented materiality assessment evidence for management and assurance provider review. | | Overlap and reuse | ESRS preparers can use the ESRS-ISSB interoperability guidance to identify where ESRS disclosures can also satisfy ISSB information needs, especially for climate. | ISSB reporters can use the same guidance to understand where additional ESRS requirements remain when CSRD applies, including double materiality and wider ESRS users. | Treat interoperability as a crosswalk, not a merger. Reuse source data and controls where the guidance supports it, while keeping separate sign-off for ESRS legal compliance. | [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports using the guidance to reduce duplicated reporting while preserving framework-specific requirements. | | Practical decision rule | Use CSRD and ESRS as the controlling baseline when the company must publish an EU sustainability statement under CSRD. | Use IFRS S1 and S2 as the controlling baseline when the reporting obligation or voluntary program is ISSB-based and CSRD does not control the filing. | If both apply, start with the ESRS sustainability statement, add an ESRS-ISSB crosswalk, and document the few areas where ISSB-aligned reporting needs extra or different wording. | [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - Commission source for CSRD and ESRS reporting context.
[IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports the practical rule that interoperability reduces duplicate work but does not erase separate requirements. | Sources for Scope boundary - CSRD and ESRS: - [Commission Delegated Regulation (EU) 2023/2772](https://data.europa.eu/eli/reg_del/2023/2772/oj?ref=sorena.io) - Adopts the first set of ESRS used for CSRD sustainability reporting. - Quote: "sustainability reporting standards" - [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - European Commission overview of CSRD, ESRS, and related implementation resources. - Quote: "Corporate sustainability reporting" Sources for Scope boundary - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Identifies IFRS Sustainability Disclosure Standards as ISSB Standards and compares them with ESRS. - Quote: "IFRS Sustainability Disclosure Standards" Sources for Scope boundary - operational implication: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports using interoperability guidance to reduce duplication without merging the frameworks. - Quote: "reduce complexity, fragmentation and duplication" Sources for Covered actors - CSRD and ESRS: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Defines users of sustainability statements and the sustainability statement structure under ESRS. - Quote: "users of sustainability statements" Sources for Covered actors - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Describes ISSB Standards as sustainability disclosure standards for decision-useful information. - Quote: "decision-useful data" Sources for Covered actors - operational implication: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Grounds the need to preserve ESRS users and sustainability statement context when mapping to ISSB disclosures. - Quote: "sustainability statement" Sources for Trigger - CSRD and ESRS: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Defines double materiality, impact materiality, financial materiality, and mandatory ESRS 2 disclosures. - Quote: "Double materiality has two dimensions" - [Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - Explains that ESRS 2 is mandatory and that materiality-assessed disclosures are not voluntary. - Quote: "ESRS 2 is mandatory" Sources for Trigger - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports the ISSB comparison and notes alignment work on key concepts including materiality. - Quote: "key concepts such as materiality" Sources for Trigger - operational implication: - [EFRAG IG 1 Materiality Assessment](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG implementation guidance includes IG 1 on materiality assessment for ESRS preparers. - Quote: "EFRAG IG 1 Materiality Assessment" Sources for Core obligations - CSRD and ESRS: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Lists the ESRS architecture and reporting areas used in ESRS 2 and topical standards. - Quote: "Governance, Strategy, Impact, risk and opportunity management" - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Lists EFRAG IG 3 as detailed ESRS datapoints support for implementation mapping. - Quote: "Detailed ESRS Datapoints" Sources for Core obligations - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Explains the published ESRS-ISSB guidance and its detailed climate-related analysis. - Quote: "climate-related disclosures" Sources for Core obligations - operational implication: - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using ESRS data point guidance for detailed crosswalk work. - Quote: "IG3: Detailed ESRS Datapoints" Sources for Evidence record - CSRD and ESRS: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Supports ESRS evidence categories such as material impacts, risks and opportunities, governance, strategy, policies, actions, metrics, and targets. - Quote: "impacts, risks and opportunities" - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using EFRAG IG 1, IG 2, and IG 3 as implementation aids for evidence structure. - Quote: "IG 1 to 3" Sources for Evidence record - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports evidence reuse and governance where companies apply both ISSB Standards and ESRS. - Quote: "collect, govern and control" Sources for Evidence record - operational implication: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports building shared controls while preserving separate disclosure mappings. - Quote: "creating efficiencies" Sources for Value chain coverage - CSRD and ESRS: - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Defines value chain, business relationships, and upstream/downstream value-chain concepts in ESRS. - Quote: "own operations and upstream and downstream value chain" - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Identifies EFRAG IG 2 as value-chain implementation guidance for ESRS. - Quote: "EFRAG IG 2: Value Chain" Sources for Value chain coverage - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports coordinated data collection for companies applying both ISSB Standards and ESRS. - Quote: "collect, govern and control" Sources for Value chain coverage - operational implication: - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - Supports using EFRAG value-chain guidance when defining shared value-chain data inputs. - Quote: "Value Chain" Sources for Enforcement - CSRD and ESRS: - [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - Commission CSRD overview covering sustainability reporting and implementation context. - Quote: "Corporate sustainability reporting" - [Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - States that the materiality assessment process is subject to external assurance under the Accounting Directive. - Quote: "subject to external assurance" Sources for Enforcement - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports ISSB/ESRS interoperability without treating IFRS S1/S2 as the EU assurance rule. - Quote: "apply both sets of standards" Sources for Enforcement - operational implication: - [EFRAG IG 1 Materiality Assessment](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG IG 1 supports documented materiality assessment evidence for management and assurance provider review. - Quote: "Materiality Assessment" Sources for Overlap and reuse - CSRD and ESRS: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Says EFRAG and the IFRS Foundation published guidance on applying both ESRS and ISSB Standards. - Quote: "apply both sets of standards" Sources for Overlap and reuse - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Describes high alignment and detailed analysis of climate-related disclosures. - Quote: "high level of alignment" Sources for Overlap and reuse - operational implication: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports using the guidance to reduce duplicated reporting while preserving framework-specific requirements. - Quote: "avoid duplicative reporting" Sources for Practical decision rule - CSRD and ESRS: - [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - Commission source for CSRD and ESRS reporting context. - Quote: "Corporate sustainability reporting" Sources for Practical decision rule - IFRS S1 and S2: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports using ISSB Standards and ESRS together where both reporting sets are relevant. - Quote: "ISSB Standards and ESRS" Sources for Practical decision rule - operational implication: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Supports the practical rule that interoperability reduces duplicate work but does not erase separate requirements. - Quote: "practical support" ### How should teams apply CSRD and IFRS S1/S2 together? - Confirm CSRD scope first; if CSRD applies, ESRS controls the EU sustainability statement. - Map IFRS S1 and S2 disclosures to ESRS requirements at data-point level, especially for climate disclosures. - Keep separate materiality conclusions: ESRS double materiality evidence should not be reduced to ISSB financial materiality. - Reuse data collection, governance controls, and climate calculations only where the ESRS-ISSB crosswalk shows the same information need. Sources for the practical decision rule: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Primary interoperability source for applying ISSB Standards and ESRS together. - Quote: "apply both sets of standards" - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Primary ESRS source for double materiality, disclosure architecture, users, and value-chain concepts. - Quote: "double materiality principle" - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG source for IG 1 materiality, IG 2 value chain, and IG 3 datapoint implementation support. - Quote: "EFRAG issued the final documents" ## Review this comparison before building the reporting workplan The most common mistake is to call an ESRS report and an ISSB report the same because many climate and governance concepts align. The better approach is to build one source-data model and two disclosure mappings. For CSRD, the workplan needs a legal scope conclusion, an ESRS double materiality process, a sustainability statement structure, assurance-ready evidence, and a digital reporting plan. For IFRS S1 and S2, the workplan needs ISSB financial-materiality disclosures, climate-specific assumptions and metrics, and any jurisdictional or voluntary adoption requirements that make those standards relevant. - Start with entity scope and reporting obligation, not with a generic sustainability framework inventory. - Create a requirement-level crosswalk: ESRS 2, topical ESRS, ESRS datapoints, IFRS S1, and IFRS S2. - Treat climate as the highest-reuse area, but still review ESRS-specific points identified by the interoperability guidance. - Retain evidence for excluded ESRS topics, because ESRS topic omission depends on the documented materiality assessment. Sources for this answer: - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Grounds the page's emphasis on interoperability, climate alignment, and avoiding duplicate reporting. - [Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - Grounds the distinction between mandatory ESRS 2 disclosures and materiality-assessed topical disclosures. - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Grounds ESRS double materiality, sustainability statement users, value-chain concepts, and disclosure areas. *Recommended next step* *Placement: after evidence section* ## Build one evidence base with separate ESRS and ISSB mappings Use the comparison to decide where ESRS controls the filing, where IFRS S1 and S2 add investor-disclosure requirements, and where source data can be reused. - [Open Research Copilot](/solutions/research-copilot.md): Answer CSRD, ESRS, and ISSB interoperability questions with cited source material. - [Discuss sustainability reporting implementation](/contact.md): Review CSRD scope, ESRS evidence, IFRS S1/S2 mapping, and assurance preparation with Sorena. ## Primary sources - [European Sustainability Reporting Standards (ESRS)](https://xbrl.efrag.org/e-esrs/esrs-set1-2023.html?ref=sorena.io) - Primary ESRS source for double materiality, disclosure architecture, users, and value-chain concepts. - Quote: "double materiality principle" - [IFRS Foundation and EFRAG publish interoperability guidance](https://www.ifrs.org/news-and-events/news/2024/05/ifrs-foundation-and-efrag-publish-interoperability-guidance/?ref=sorena.io) - Primary interoperability source for applying ISSB Standards and ESRS together. - Quote: "apply both sets of standards" - [ESRS implementation guidance documents](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG source for IG 1 materiality, IG 2 value chain, and IG 3 datapoint implementation support. - Quote: "EFRAG issued the final documents" - [Questions and Answers on the Adoption of European Sustainability Reporting Standards](https://ec.europa.eu/commission/presscorner/detail/en/qanda_23_4043?ref=sorena.io) - States that the materiality assessment process is subject to external assurance under the Accounting Directive. - Quote: "subject to external assurance" - [Corporate sustainability reporting](https://finance.ec.europa.eu/capital-markets-union-and-financial-markets/company-reporting-and-auditing/company-reporting/corporate-sustainability-reporting_en?ref=sorena.io) - Commission source for CSRD and ESRS reporting context. - Quote: "Corporate sustainability reporting" - [Commission Delegated Regulation (EU) 2023/2772](https://data.europa.eu/eli/reg_del/2023/2772/oj?ref=sorena.io) - Adopts the first set of ESRS used for CSRD sustainability reporting. - Quote: "sustainability reporting standards" - [EFRAG IG 1 Materiality Assessment](https://www.efrag.org/en/projects/esrs-implementation-guidance-documents?ref=sorena.io) - EFRAG IG 1 supports documented materiality assessment evidence for management and assurance provider review. - Quote: "Materiality Assessment" ## Related Topic Guides - [CSRD and ESRS Compliance Obligations](/artifacts/eu/corporate-sustainability-reporting-directive/compliance.md): Official source CSRD and ESRS compliance guide covering scope checks, sustainability statements, double materiality, value-chain data, assurance, and digital tagging. - [CSRD and ESRS FAQ: scope, materiality, assurance, tagging, and value chain](/artifacts/eu/corporate-sustainability-reporting-directive/faq.md): CSRD and ESRS FAQ hub covering company scope, reporting waves, ESRS structure, double materiality, assurance, digital tagging, Taxonomy Article 8, and value chain data. - [CSRD and ESRS Reporting Checklist](/artifacts/eu/corporate-sustainability-reporting-directive/checklist.md): A practical CSRD and ESRS checklist for confirming reporting scope, sustainability statement content, double materiality, value-chain evidence, assurance readiness, and digital tagging. - [CSRD and ESRS requirements: scope, reporting, assurance, and evidence](/artifacts/eu/corporate-sustainability-reporting-directive/requirements.md): Official source guide to CSRD and ESRS requirements: who reports, what the sustainability statement must cover, double materiality, value-chain data, assurance, publication, digital tagging, and controls. - [CSRD and ESRS value-chain data, estimates, proxies, and evidence](/artifacts/eu/corporate-sustainability-reporting-directive/value-chain-data-and-estimation.md): How to handle ESRS value-chain information when supplier or customer data is incomplete: reasonable efforts, estimates, limitations, controls, and assurance evidence. - [CSRD Applicability Test for EU and Non-EU Company Groups](/artifacts/eu/corporate-sustainability-reporting-directive/applicability-test.md): Check whether CSRD and ESRS reporting may apply by testing undertaking size, listed status, group reporting, non-EU branches or subsidiaries, and phase-in evidence. - [CSRD Article 40a third-country group reporting FAQ](/artifacts/eu/corporate-sustainability-reporting-directive/faq/third-country-groups.md): FAQ on when CSRD Article 40a applies to third-country groups, which EU subsidiary or branch publishes the report, and what happens with assurance and missing information. - [CSRD assurance and ESRS digital tagging evidence](/artifacts/eu/corporate-sustainability-reporting-directive/assurance-and-digital-tagging-evidence.md): Evidence checklist for CSRD assurance readiness, ESRS datapoint traceability, and digital tagging preparation under the ESRS XBRL and ESEF reporting framework. - [CSRD assurance evidence FAQ: what to keep for limited assurance](/artifacts/eu/corporate-sustainability-reporting-directive/faq/assurance-evidence.md): What CSRD and ESRS assurance evidence should support: management-report publication, the assurance report, national assurance procedures, and EU limited assurance milestones. - [CSRD assurance evidence pack workflow for ESRS reporting](/artifacts/eu/corporate-sustainability-reporting-directive/assurance-evidence-pack-workflow.md): A CSRD and ESRS workflow for building an assurance-ready evidence pack covering scope, double materiality, ESRS datapoints, controls, estimates, and digital tagging. - [CSRD assurance-ready controls and evidence for ESRS reporting](/artifacts/eu/corporate-sustainability-reporting-directive/assurance-ready-controls-and-evidence.md): Build CSRD and ESRS evidence around GOV-5 controls, double materiality, IROs, value-chain data, assurance files, and XBRL tagging checks. - [CSRD data point inventory FAQ for ESRS disclosure readiness](/artifacts/eu/corporate-sustainability-reporting-directive/faq/data-point-inventory.md): How to build an ESRS data point inventory for CSRD reporting: disclosure requirements, materiality filters, evidence ownership, value-chain data, XBRL readiness, and assurance support. - [CSRD deadlines and ESRS compliance calendar](/artifacts/eu/corporate-sustainability-reporting-directive/deadlines-and-compliance-calendar.md): An official source CSRD and ESRS calendar covering the original reporting waves, enacted postponement caveats, publication duties, assurance, and digital reporting workstreams. - [CSRD digital tagging and XBRL readiness FAQ](/artifacts/eu/corporate-sustainability-reporting-directive/faq/digital-tagging-xbrl.md): What CSRD teams should do now about XHTML, Inline XBRL, ESRS taxonomy materials, tagging controls, and limits before final digital taxonomy rules apply. - [CSRD Double Materiality Interview Question Bank for ESRS](/artifacts/eu/corporate-sustainability-reporting-directive/double-materiality-interview-question-bank.md): Interview prompts for ESRS double materiality work: context, affected stakeholders, value chain IROs, impact materiality, financial materiality, thresholds, and evidence. - [CSRD double materiality method under ESRS](/artifacts/eu/corporate-sustainability-reporting-directive/double-materiality-method.md): An official source method for ESRS double materiality assessment: impact materiality, financial materiality, value-chain coverage, thresholds, evidence, and documentation. - [CSRD double materiality scoring: IRO assessment and ESRS data points](/artifacts/eu/corporate-sustainability-reporting-directive/double-materiality-scoring.md): An official source scoring guide for CSRD and ESRS double materiality: impact materiality, financial materiality, thresholds, evidence, governance, and disclosure mapping. - [CSRD Double Materiality Workflow for ESRS Assessment](/artifacts/eu/corporate-sustainability-reporting-directive/double-materiality-workflow.md): A CSRD and ESRS workflow for running a double materiality assessment, from value-chain scoping and stakeholder inputs to IRO scoring, governance approval, and audit trail evidence. - [CSRD omnibus stop-the-clock status: enacted delay vs proposed scope changes](/artifacts/eu/corporate-sustainability-reporting-directive/faq/omnibus-stop-the-clock-status.md): FAQ on the CSRD stop-the-clock directive, the separate Omnibus proposal, and how reporting teams should treat enacted and proposed changes. - [CSRD penalties and fines: Member State enforcement, controls, and evidence](/artifacts/eu/corporate-sustainability-reporting-directive/penalties-and-fines.md): A conservative guide to CSRD penalty exposure: why fines depend on Member State implementation, which reporting failures create risk, and what evidence teams should keep. - [CSRD reporting waves and Omnibus status](/artifacts/eu/corporate-sustainability-reporting-directive/reporting-waves-and-omnibus-status.md): Track what is enacted, postponed, final, or still in the Omnibus process for CSRD reporting waves, ESRS reporting, and Stop-the-Clock changes. - [CSRD reporting waves FAQ: who reports first and what changed](/artifacts/eu/corporate-sustainability-reporting-directive/faq/reporting-waves.md): FAQ on original CSRD reporting waves, stop-the-clock caveats, listed SME opt-out, third-country reporting, and why local transposition law still matters. - [CSRD scope and phasing by company type](/artifacts/eu/corporate-sustainability-reporting-directive/scope-and-phasing-by-company-type.md): Map CSRD reporting scope by company category, original Article 5 wave, listed SME opt-out, third-country group rules, and stop-the-clock caveats. - [CSRD topical ESRS scoping: what must be reported?](/artifacts/eu/corporate-sustainability-reporting-directive/faq/topical-esrs-scoping.md): FAQ on CSRD topical ESRS scoping: ESRS 2, double materiality, topical disclosure requirements, omitted topics, climate, and Appendix B datapoints. - [CSRD value chain data and estimation methodology under ESRS](/artifacts/eu/corporate-sustainability-reporting-directive/value-chain-estimates.md): How ESRS lets CSRD reporters use sector averages, proxies, and other estimates when direct value-chain data is not available after reasonable effort. - [CSRD vs CSDDD: Reporting vs Due Diligence](/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-csddd.md): Compare CSRD sustainability reporting with CSDDD human rights and environmental due diligence, including scope, evidence, assurance, penalties, and overlap. - [CSRD vs EU Taxonomy Article 8](/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-taxonomy-alignment.md): Compare CSRD and ESRS sustainability reporting with EU Taxonomy Article 8 KPI disclosures, including scope, evidence, tagging, and reuse limits. - [CSRD vs GRI: ESRS Interoperability](/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-gri.md): Compare CSRD/ESRS reporting with GRI-based reporting using official source ESRS interoperability, materiality, value-chain, and disclosure-reuse rules. - [CSRD vs SEC Climate Disclosure Rule](/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-sec-climate-disclosure-rule.md): Official source comparison notes for CSRD and the SEC climate disclosure rule, focused on CSRD and ESRS duties and conservative limits where SEC facts are not sourced. - [CSRD vs SFDR: ESRS and Financial Disclosures](/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-sfdr.md): Compare CSRD/ESRS corporate sustainability reporting with SFDR financial-market disclosures, including scope, materiality, PAI data, assurance, tagging, and reuse limits. - [CSRD XBRL Tagging Checklist for ESRS and Article 8 Readiness](/artifacts/eu/corporate-sustainability-reporting-directive/xbrl-tagging-checklist.md): An official source CSRD XBRL tagging readiness checklist for XHTML, Inline XBRL, ESRS taxonomy mapping, Article 8 taxonomy mapping, ESEF validation, and source-controlled review. - [ESRS 1 and ESRS 2 structure under CSRD](/artifacts/eu/corporate-sustainability-reporting-directive/esrs-1-and-esrs-2-structure.md): An official source explanation of how ESRS 1 sets the reporting architecture and how ESRS 2 provides the mandatory general disclosures for CSRD sustainability statements. - [ESRS data point inventory workflow for CSRD reporting](/artifacts/eu/corporate-sustainability-reporting-directive/esrs-data-point-inventory-workflow.md): Build an ESRS data point inventory that links disclosure requirements, materiality outcomes, evidence owners, XBRL tagging readiness, and assurance controls. - [ESRS structure and data model for CSRD reporting](/artifacts/eu/corporate-sustainability-reporting-directive/esrs-structure-and-data-model.md): Map ESRS architecture, disclosure requirements, datapoints, materiality, XBRL taxonomy, Article 8 tagging, and report data ownership for CSRD reporting. - [FAQ: CSRD double materiality scoring - thresholds, weighting, and evidence](/artifacts/eu/corporate-sustainability-reporting-directive/faq/double-materiality-scoring.md): How to score CSRD double materiality under ESRS without invented thresholds: impact materiality, financial materiality, evidence, and documentation. - [FAQ: CSRD value chain estimates - methods and proportionality under ESRS](/artifacts/eu/corporate-sustainability-reporting-directive/faq/value-chain-estimates.md): When ESRS permits value chain estimates, what to disclose about assumptions, accuracy, limits, and improvement plans. - [How do ESRS 1 and ESRS 2 structure CSRD reporting?](/artifacts/eu/corporate-sustainability-reporting-directive/faq/esrs-1-and-2-structure.md): FAQ explaining how ESRS 1 general requirements and ESRS 2 general disclosures fit into CSRD reporting, materiality, and topical ESRS disclosures. - [LSME and VSME under EU CSRD: what SMEs should know](/artifacts/eu/corporate-sustainability-reporting-directive/faq/lsme-and-vsme.md): FAQ on LSME and VSME under the EU CSRD: listed SME reporting, the temporary opt-out, voluntary SME reporting, and value-chain requests. - [Taxonomy Article 8 KPIs for CSRD reporting](/artifacts/eu/corporate-sustainability-reporting-directive/taxonomy-article-8-kpis.md): Official source guide to Article 8 Taxonomy KPI disclosures in CSRD sustainability statements, including KPI templates, ESRS links, XBRL readiness, and evidence controls. - [Taxonomy Article 8 KPIs under CSRD and ESRS](/artifacts/eu/corporate-sustainability-reporting-directive/faq/taxonomy-article-8-kpis.md): FAQ explaining how EU Taxonomy Article 8 KPI disclosures relate to CSRD, ESRS, and the Article 8 XBRL taxonomy. --- [Privacy Policy](https://www.sorena.io/privacy) | [Terms of Use](https://www.sorena.io/terms-of-use) | [DMCA](https://www.sorena.io/dmca) | [About Us](https://www.sorena.io/about-us) (c) 2026 Sorena AB (559573-7338). All rights reserved. Source: https://www.sorena.io/artifacts/eu/corporate-sustainability-reporting-directive/csrd-vs-ifrs-s1-and-s2