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Compare the requested interval with the applicable request before treating work outside its period as permitted.", "records": [ { "record_id": "VXI-EXT-ADMINISTRATION-FHIR-TASK-FULFILMENT-AUTHORIZATION-PERIOD-01-v1", "url": "/varexis-index/records/fhir-task-fulfilment-authorization-period.json", "content_sha256": "26cce0dd32ebf92efb067cb4cce9675550554412ff2c585c8d1c86a08b884b58", "evidence": { "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-25T00:44:04.075Z", "record_id": "VXI-EXT-ADMINISTRATION-FHIR-TASK-FULFILMENT-AUTHORIZATION-PERIOD-01-v1", "record_kind": "external_reference", "title": "FHIR R5 fulfilment period within authorization", "system": "HL7 FHIR R5 5.0.0 — task", "evidence_family": "vendor_evidence_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Can a FHIR fulfilment Task restriction period extend beyond its referenced request authorization?", "near_questions": [ "Can a FHIR task extend the authorizing request period?", "Which interval bounds requested fulfilment?", "How should an agent check time-limited task authority?", "Does a wider Task restriction authorize work outside the request?" ], "supported_claims": [ { "claim": "R5 Task.restriction.period bounds the fulfilment sought and must fall within the overall period authorised by the referenced request. A task-local interval does not enlarge that authorization. Compare the requested interval with the applicable request before treating work outside its period as permitted.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "No clinical advice, patient-safety validation, legal compliance or confirmation of insurance cover.", "No independent proof of a live access decision, completed workflow, physical action or settled payment.", "The published R5 definition does not establish support or conformance in a buyer implementation.", "Buyer deployment testing, live runtime enforcement, certification or permission to act", "Expanded capabilities or licences for existing INDEX executables" ], "public_summary": "R5 Task.restriction.period bounds the fulfilment sought and must fall within the overall period authorised by the referenced request. A task-local interval does not enlarge that authorization. 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