Represents a "Market Party" of some kind. Normally this is some legal person - a corporation, government entity, NGO etc - that serves some role in the electrical system.
Parties may be DSOs, TSOs, Energy Retailers and so on.
ISO 3166-1 alpha-2 country codes, this indicates countries where this party is active in some way, not only their legal home country
Extra Identifiers for this Party, like EIC identifiers where those exist
Unique identifier for the party
Legal name of the party