3. Participant

A Participant is a Legal Person or Natural Person, which is identified, onboarded and has a Gaia-X Self-Description. Instances of Participant neither being a legal nor a natural person are prohibited.

classDiagram class Participant { <<abstract>> } Participant <|-- LegalPerson Participant <|-- NaturalPerson

Architecture Document defines three roles a Participant can have within the Gaia-X ecosystem (Provider, Consumer, and Federator), which are not yet part of Trust framework and are to be defined in future releases.

3.1 Legal person

For legal person the attributes are

Version	Attribute	Cardinality	Trust Anchor	Comment
1.0	`registrationNumber`	1	State	Country’s registration number which identify one specific company.
1.0	`headquarterAddress`.`country`	1	State	Physical location of head quarter in ISO 3166-1 alpha2, alpha-3 or numeric format.
1.0	`legalAddress`.`country`	1	State	Physical location of legal registration in ISO 3166-1 alpha2, alpha-3 or numeric format.
1.0	`leiCode`	0..1	gleif	Unique LEI number as defined by https://www.gleif.org.
1.0	`parentOrganisation[]`	0..*	State	A list of direct `participant` that this entity is a subOrganization of, if any.
1.0	`subOrganisation[]`	0..*	State	A list of direct `participant` with an legal mandate on this entity, e.g., as a subsidiary.

Consistency rules

If legalAddress.country is located in European Economic Area, Iceland, Lichtenstein and Norway then registrationNumber must be a valid ISO 6523 EUID as specified in the section 8 of the Commission Implementing Regulation (EU) 2015/884.
This number can be found via the EU Business registers portal
If legalAddress.country is located in United States of America, than a valid legalAddress.state using the two-letter state abbreviations is mandatory
leiCode.headquarter.country shall equal headquarterAddress.country.
leiCode.legal.country shall equal legalAddress.country.

3.2 Natural person

To be defined in a future release.