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In order for a citizen to gain access to its patient data the citizen needs to be created using the https://docs.ehealth.sundhed.dk/latest/ig/OperationDefinition-ehealth-patient-create.html. Failing to have done so will grant the citizen access to the platform but not its data. This will be reflected in the access token as the user_id will be a UUID instead of a FHIR Patient resource reference. This design ensures that federated NemLogin can be verified without blocking the citizen from accessing the platform.