{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-25T00:16:54.726Z",
  "record_id": "VXI-EXT-PROCUREMENT-PEPPOL-BILLING-VAT-EXCHANGE-RATE-BOUNDARY-01-v1",
  "record_kind": "external_reference",
  "title": "Peppol currency conversion validation boundary",
  "system": "Peppol BIS Billing 3.0.21",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does Peppol invoice validation verify the exchange rate used for VAT accounting currency?",
  "near_questions": [
    "Does Peppol validate the VAT accounting exchange rate?",
    "Where is the conversion rate in a Peppol invoice?",
    "Can invoice validation prove a second-currency VAT amount?",
    "What evidence supports VAT currency reconciliation?"
  ],
  "supported_claims": [
    {
      "claim": "BIS Billing permits a VAT accounting currency different from the invoice currency. The exchange rate is not supplied in the invoice instance, and that conversion is not validated there. Obtain the applicable rate and calculation evidence separately; successful invoice validation cannot establish the correctness of the conversion.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Exchange-rate correctness and tax treatment were not assessed.",
    "No independent proof of contractual authority, goods receipt, bank settlement or legal compliance.",
    "Applies to the cited published profile; current deployment and release applicability require separate verification.",
    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
  ],
  "public_summary": "BIS Billing permits a VAT accounting currency different from the invoice currency. The exchange rate is not supplied in the invoice instance, and that conversion is not validated there. Obtain the applicable rate and calculation evidence separately; successful invoice validation cannot establish the correctness of the conversion.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "BIS Billing 3.0.21 — May 2026 release",
    "source_url": "https://docs.peppol.eu/poacc/billing/3.0/bis/",
    "checked_on": "2026-10-25",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-PEPPOL-BILLING-VAT-EXCHANGE-RATE-BOUNDARY-01-v1",
    "candidate_record_sha256": "491add04e4c5c1230b88cb0ade4d8f3d5af79ff96202b43e5b84cf10ca2c023e",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "BIS Billing permits a VAT accounting currency different from the invoice currency. The exchange rate is not supplied in the invoice instance, and that conversion is not validated there. Obtain the applicable rate and calculation evidence separately; successful invoice validation cannot establish the correctness of the conversion.",
    "required_buyer_context": "Invoice and VAT accounting currencies; Applicable exchange-rate evidence; Conversion calculation and accounting context. Buyer deployment not inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-25",
    "claim_to_check": "Does Peppol invoice validation verify the exchange rate used for VAT accounting currency?",
    "documented_statement": {
      "status": "documented",
      "statement": "BIS Billing permits a VAT accounting currency different from the invoice currency. The exchange rate is not supplied in the invoice instance, and that conversion is not validated there. Obtain the applicable rate and calculation evidence separately; successful invoice validation cannot establish the correctness of the conversion.",
      "source_ids": [
        "peppol-billing"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Expose a financial calculation outside document validation. This is a review judgment, not an observed buyer outcome.",
      "source_ids": [
        "peppol-billing"
      ]
    },
    "buyer_evidence_required": [
      "Invoice and VAT accounting currencies",
      "Applicable exchange-rate evidence",
      "Conversion calculation and accounting context"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse verified currency-conversion claims from invoice validation alone."
    },
    "unknowns": "Exchange-rate correctness and tax treatment were not assessed.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "Exchange-rate correctness and tax treatment were not assessed."
    },
    "evidence_sources": [
      {
        "source_id": "peppol-billing",
        "url": "https://docs.peppol.eu/poacc/billing/3.0/bis/",
        "final_url": "https://docs.peppol.eu/poacc/billing/3.0/bis/",
        "status": 200,
        "captured_at_utc": "2026-10-24T23:51:30.444Z",
        "sha256": "a30f773b96dc7e7e5596cce9e5f62c2f862d0a53232b57411a9e969c0a85dfd3",
        "bytes": 761312,
        "title": "BIS Billing 3.0.21 — May 2026 release",
        "hash_basis": "SHA-256 of unmodified HTTP response body bytes",
        "rights_review": "Original factual paraphrase only. CEN/OpenPeppol reserve rights in their BIS documents. Raw captures remain private; no document, schema, code or modified standard is redistributed or relicensed.",
        "checked_on": "2026-10-25",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "11.1.3",
          "11.3.1–11.3.2",
          "11.4",
          "11.6",
          "11.7.2",
          "11.10 plus calculation section review needed",
          "13.2–13.3 and billing release3.0.21",
          "15.1"
        ],
        "version_context": "Billing 3.0.21, published 2026-05-20; exact captured body hash. Current deployment applicability is not verified."
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Documentation review only; the buyer must establish applicability and actual outcomes. INDEX does not inspect or control the deployment.",
    "paid_value": {
      "decision_context": "Expose a financial calculation outside document validation.",
      "free": "Complete review, sources, practical questions and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
      "excluded": [
        "Fresh vendor research",
        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
        "Private evidence or vendor certification"
      ],
      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
    },
    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "Recheck the applicable BIS release, recipient capability, ERP mapping and independent business outcome before relying on a current transaction."
    },
    "buyer_relevance": "Expose a financial calculation outside document validation.",
    "refusal_conditions": [
      "Refuse verified currency-conversion claims from invoice validation alone."
    ]
  },
  "niche": {
    "niche_id": "agent-authority-action-evidence",
    "label": "Agent Authority & Action Evidence",
    "classification_id": "payments",
    "classification_label": "Agent Payments, Authority & Transaction Evidence",
    "topic_id": "payments",
    "buyer_intent": "Expose a financial calculation outside document validation.",
    "comparison_role": "supplementary_discovery"
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#peppol-billing-vat-exchange-rate-boundary",
  "machine_readable_record": "/varexis-index/records/peppol-billing-vat-exchange-rate-boundary.json"
}
