---
title: "DORA Register of Information (RoI) - How to Build It"
canonical_url: "https://www.sorena.io/artifacts/eu/dora/register-of-information-how-to-build"
source_url: "https://www.sorena.io/artifacts/eu/dora/register-of-information-how-to-build"
author: "Sorena AI"
description: "Build an audit-ready DORA Register of Information (RoI): define scope and relational keys."
keywords:
  - "DORA register of information"
  - "DORA RoI"
  - "DORA RoI how to build"
  - "DORA Article 28 register"
  - "DORA ICT third party register"
  - "outsourcing register DORA"
  - "ITS 2024/2956 register templates"
  - "DORA register of information template"
  - "register of information"
  - "RoI"
  - "Article 28"
  - "ITS 2024/2956"
  - "ICT third-party register"
  - "outsourcing register"
---
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# DORA Register of Information (RoI) - How to Build It

Build an audit-ready DORA Register of Information (RoI): define scope and relational keys.

*Implementation Guide* *EU*

## EU DORA Register of Information (RoI)

Build the RoI as a relational dataset you can export on demand - not a spreadsheet nobody trusts.

Grounded in Article 28 and ITS 2024/2956 (standard templates for the register of information).

DORA requires financial entities to maintain and update a register of information covering contractual arrangements for ICT services from ICT third-party providers, and to provide the full register or specified sections to competent authorities on request. The simplest way to comply (and stay consistent across entity/sub-consolidated/consolidated levels) is to treat the RoI as a data product: a relational model, governed identifiers, and an automated extraction + validation pipeline that can export ITS templates quickly and accurately.

## What the RoI is (and what it is not)

The RoI is a supervisory artifact and an internal risk management instrument: a structured view of ICT third-party dependencies, linked to contracts and services.

It's not a procurement vendor list. It's not a one-time spreadsheet. If you can't export it reliably and explain the joins, it won't survive supervision.

- Scope: contractual arrangements on the use of ICT services provided by ICT third-party providers (Article 28).
- Levels: maintain and update at entity level, and at sub-consolidated and consolidated levels where applicable (Article 28).
- On request: be able to provide the full register or specified sections, plus supporting information for effective supervision (Article 28).

## RoI data model blueprint (contract -> service -> function -> provider -> supply chain)

Implement the RoI as a normalized relational model with stable identifiers and explicit links between contracting entities, ICT services, functions, providers, and subcontractors.

This aligns with the ITS approach: open tables linked by specific keys (contract reference numbers, function identifiers, LEIs/provider identifiers).

- Contractual arrangement reference number: define one unique key per contract and never reuse it (your primary join key).
- ICT service taxonomy: normalize service names and map each service to business functions and technical dependencies.
- Function identifier catalog: define a stable function ID set for critical/important mapping and cross-template joins.
- Provider identity normalization: use LEI/EUID where available; standardize naming, group relationships, and service ownership models.
- Supply chain representation: model direct providers and relevant subcontractors that effectively underpin ICT services supporting critical/important functions.

*Recommended next step*

*Placement: after the template, evidence, or documentation block*

## Keep EU DORA Register of Information (RoI) in one governed evidence system

SSOT can take EU DORA Register of Information (RoI) from reusing this material inside a governed evidence system to a reusable workflow inside Sorena. Teams working on EU DORA can keep owners, evidence, and next steps aligned without copying this guide into separate documents.

- [Open SSOT for EU DORA Register of Information (RoI)](/solutions/ssot.md): Start from EU DORA Register of Information (RoI) and keep documents, evidence, and control records in one governed system.
- [Talk through EU DORA](/contact.md): Review your current process, evidence gaps, and next steps for EU DORA Register of Information (RoI).

## Extraction pipeline (systems-of-record -> RoI dataset -> ITS export)

The RoI is an integration problem: procurement, vendor risk, CMDB/service catalog, IAM, cloud inventory, and contract repositories each contain part of the truth.

Your target state is export-ready data - not hand-assembled files.

- Ingest: contract metadata (legal), vendor + spend (procurement), due diligence (security/vendor risk), service mapping (CMDB/service catalog), locations + hosting (cloud inventory).
- Transform: resolve entity/provider identities, enforce stable identifiers, and create relational links (contract->provider, contract->users, service->function, service->subcontractors).
- Validate: completeness, uniqueness, and referential integrity checks block exports when critical joins fail.
- Export: generate the ITS annex templates (B_01-B_07) from the same dataset so entity vs consolidated views reconcile.

## Governance + operating cadence (how to keep the RoI accurate)

RoI compliance is a governance discipline: without clear ownership and change controls, it drifts immediately after launch.

Define an operating cadence that makes updates automatic whenever contracts or service dependencies change.

- RACI: procurement (vendor onboarding), legal (contract metadata), security (due diligence + monitoring), engineering (service/function mapping), compliance (export readiness).
- Change control: provider changes (subcontractors, hosting locations, scope expansions) are treated as material changes and trigger RoI updates.
- Quarterly RoI QA: sample critical/important services and verify the full supply chain + exit dependencies are current.
- Supervisor readiness drill: timebox an RoI export request and measure speed + consistency across entity and consolidated exports.

## Common pitfalls (use these as acceptance criteria)

Most RoI failures are predictable: missing keys, inconsistent naming, and invisible subcontracting chains for critical services.

Fix the root causes in your model and pipeline - not in the export file.

- No global contract reference key -> joins break across templates and entities.
- No service/function mapping -> you can't prove which ICT services support which critical/important functions.
- Subcontractors ignored -> supply chain risk and concentration risk are invisible.
- Manual exports -> every request becomes a fire drill and produces inconsistent outputs.
- Weak validation -> supervisors get different answers depending on who exports the register.

## Build for actual supervisory use, not just annual maintenance

Supervisors use RoI data to understand concentration risk, critical-function support chains, and reliance on major providers across the sector.

That is why RoI engineering should be treated as production data management, not as a once-a-year compliance exercise.

- The first critical ICT third-party provider designation list published on 18 November 2025 shows the RoI now feeds real oversight decisions.
- Make provider identity normalization and subcontractor coverage mandatory controls, because those are the records that determine whether systemic dependency is visible.
- Run export drills against the ITS structure so entity and consolidated views produce the same provider, contract, and function relationships.

## Primary sources

- [Regulation (EU) 2022/2554 (DORA) - Official Journal](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32022R2554&ref=sorena.io) - Article 28 establishes the register of information obligation at entity/sub-consolidated/consolidated levels and requires making it available to competent authorities on request.
- [Commission Implementing Regulation (EU) 2024/2956 - Standard templates for the register of information (ITS)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32024R2956&ref=sorena.io) - Defines the RoI template structure (Annex templates B_01-B_07), relational keys, and data quality expectations for consistent reporting.
- [Commission Delegated Regulation (EU) 2024/1773 - Contractual arrangements RTS](https://eur-lex.europa.eu/eli/reg_del/2024/1773/oj/eng?ref=sorena.io) - Due diligence, monitoring, audit/access, and exit planning expectations that should be reflected in RoI fields and evidence links.
- [EBA press release - ESAs consult on first batch of DORA policy products](https://www.eba.europa.eu/publications-and-media/press-releases/esas-consult-first-batch-dora-policy-products?ref=sorena.io) - Regulatory activity context for DORA policy products, including register-of-information templates.
- [ESMA news - ESAs designate critical ICT third-party providers under DORA](https://www.esma.europa.eu/press-news/esma-news/european-supervisory-authorities-designate-critical-ict-third-party-providers?ref=sorena.io) - Confirms that RoI submissions feed real criticality assessments at EU level.

## Related Topic Guides

- [DORA Applicability Test | Is EU DORA Applicable to Your Entity?](/artifacts/eu/dora/applicability-test.md): A step-by-step EU DORA applicability test (Regulation (EU) 2022/2554): determine if you are a covered financial entity under Article 2.
- [DORA FAQ (EU) - Scope, Deadlines, Reporting, TLPT, RoI, and Third-Party Risk](/artifacts/eu/dora/faq.md): High-signal answers to the most searched DORA questions: who is in scope, when DORA applies (17 Jan 2025), what "critical or important functions" means.
- [DORA ICT Risk Management Control Baseline | Chapter II + RTS 2024/1774](/artifacts/eu/dora/ict-risk-management-control-baseline.md): A deep DORA ICT risk management baseline: how to implement Chapter II of Regulation (EU) 2022/2554 as controls with acceptance criteria and evidence.
- [DORA ICT Third-Party Risk Management + Contract Clauses | Article 28-30 + RTS 2024/1773 + RTS 2025/532](/artifacts/eu/dora/third-party-risk-and-contract-clauses.md): A deep guide to DORA ICT third-party risk: build the third-party risk strategy (Article 28), implement due diligence + ongoing monitoring.
- [DORA Major ICT Incident Reporting | Articles 17-20 + RTS 2024/1772 + 2025/301](/artifacts/eu/dora/major-incident-reporting.md): A practical DORA major incident reporting guide: build the Article 17 and 19 workflow, apply RTS 2024/1772 classification and RTS 2025/301 timing rules.
- [DORA Penalties, Fines, and Enforcement | Articles 50-55 + Oversight Penalty Payments](/artifacts/eu/dora/penalties-and-fines.md): A practical DORA enforcement guide: how competent authorities' supervisory/investigatory/sanctioning powers work (Article 50).
- [DORA Register of Information (RoI) Template Guide | ITS 2024/2956 Annex Templates (B_01-B_07)](/artifacts/eu/dora/dora-register-of-information-template.md): A practical guide to the DORA Register of Information templates: understand the ITS schema (Implementing Regulation (EU) 2024/2956).
- [DORA Testing & TLPT Readiness | Chapter IV + TIBER-EU Execution Guide](/artifacts/eu/dora/testing-and-tlpt-readiness.md): A deep DORA testing and TLPT readiness guide: build the Chapter IV testing program, prepare remediation and validation.
- [DORA vs ISO/IEC 27001:2022 | Mapping Controls, Evidence, and Audit Readiness](/artifacts/eu/dora/dora-vs-iso-27001.md): A deep DORA vs ISO 27001 comparison: where ISO/IEC 27001:2022 helps satisfy DORA ICT risk management and evidence expectations.
- [DORA vs NIS2 (EU) | Scope, Reporting, Controls, and Overlap for Financial Entities](/artifacts/eu/dora/dora-vs-nis2.md): A deep comparison of DORA and NIS2: who is in scope, what "security measures" mean, incident reporting differences, governance and enforcement posture.
- [EU DORA Checklist | DORA Compliance Checklist (Audit-Ready)](/artifacts/eu/dora/checklist.md): An audit-ready EU DORA checklist (Regulation (EU) 2022/2554): scope memo and proportionality, ICT risk management control baseline.
- [EU DORA Compliance Guide | DORA Implementation Playbook](/artifacts/eu/dora/compliance.md): A practical EU DORA compliance guide (Regulation (EU) 2022/2554): how to set up a DORA program, build an ICT risk management control baseline.
- [EU DORA Deadlines & Compliance Calendar | Key Dates, RTS/ITS and Cadence](/artifacts/eu/dora/deadlines-and-compliance-calendar.md): A DORA compliance calendar for Regulation (EU) 2022/2554: publication, entry into force, application date, key RTS and ITS including 2024/2956, 2025/301.
- [EU DORA Requirements | Obligations by Workstream (ICT Risk, Incidents, TLPT, Third Parties)](/artifacts/eu/dora/requirements.md): A practical breakdown of EU DORA (Regulation (EU) 2022/2554) requirements: ICT risk management framework (Chapter II).
- [EU DORA Scope & Covered Entities | Who Is In Scope (Article 2)](/artifacts/eu/dora/scope-and-covered-entities.md): A practical scoping guide for EU DORA (Regulation (EU) 2022/2554): covered financial entities (Article 2), proportionality and simplified frameworks.


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