Code,Title,Description
buyer,Buyer,The party acquiring goods/services.
supplier,Supplier,The party offering goods/services.
procuringEntity,Procuring entity,The entity running the procurement on behalf of the buyer.
payer,Payer,The party making payment.
payee,Payee,The party receiving payment.
humanAgent,Human agent,A natural person acting in the network.
syntheticAgent,Synthetic agent,An AI agent acting in the network.
certifier,Certifier,An authority issuing verifiable credentials.
observer,Observer,A read-only participant (auditor, regulator).