If you're preparing your DORA Register of Information submission, you need to understand the identifier requirements for ICT third-party providers in template B_05.01. The Implementing Technical Standards (ITS) on the DORA register of information requires valid identifiers for all ICT providers you report, including both direct providers and indirect suppliers in the service chain.
01
Which identifier should you use?
You can use different types of identifiers depending on your provider's location and legal status.
The Legal Entity Identifier (LEI) works for any provider worldwide – it's the universal option that works in every scenario. The European Unique Identifier (EUID) works only for companies registered in EU member state business registers. If you're reporting a natural person acting in business capacity, you can use alternative codes like Corporate Registration Numbers or VAT numbers.
Location determines your choice
EU-based companies: You can use either LEI or EUID Non-EU companies: You must use LEI Natural persons: You can use alternative codes regardless of location
When you fill in template B_05.01, field B_05.01.0010 captures the identifier itself, while field B_05.01.0020 captures which type of identifier you're using.
02
Where to find identifiers
LEI lookup
You can look up LEI codes on the Global Legal Entity Identifier Foundation website:
GLEIF LEI Search
The GLEIF database shows you whether each LEI is currently active and provides full entity details.
EUID lookup
For EUID codes, use the European Commission's business register search:
Business Register Interconnection System (BRIS)
Note that BRIS requires manual searches – there's no API available for automated lookups. When you report an EUID, make sure to include the dot separator in the code format (the dot between the country/register code and the company identifier is part of the official code).
03
Where to find detailed guidance
The identifier requirements are specified in Article 3 of the ITS on the DORA register of information.
Register of Information FAQ
For practical questions about identifier selection and formatting, consult the Register of Information FAQ (available on the EBA's DORA preparation page):
EBA DORA Preparations for Reporting
Key FAQ questions to review:
- FAQ Question 39: Which identifiers can be used for which providers
- FAQ Question 45: EUID formatting requirements
The template B_05.01 fill-in instructions in the ITS specify exactly what you need to report in each field.
04
Avoid common DORA reporting errors
Identifier requirements for template B_05.01 are just one of many pitfalls in DORA Register of Information reporting. Our comprehensive DORA compliance checklist helps you identify and prevent common errors before they impact your reporting.
Request your free DORA compliance checklist →
Originally published on DORA Solutions Insights.