---
type: "AIHallucinationFinding"
title: "What does Section VIII.c of the 2025 OECD Merger Review Recommendation require of the Competition…"
citation_id: "RLB-H-INT-OECD-OECD-MERGER-REVIEW-RECOMMENDATION-2025-Q004-Sonnet46"
finding_uid: "INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025-v1-004--sonnet-46-websearch"
question_uid: "INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025-v1-004"
regulation_id: "INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025"
regulation_slug: "OECD-MERGER-REVIEW-RECOMMENDATION-2025"
regulation_title: "Recommendation of the Council on Merger Review (2025 Revision)"
regulator_short_code: "OECD"
regulatory_body_id: "OECD-INT-001"
jurisdiction_code: "INT"
j_level: "J1"
ai_subject: "claude-sonnet-4-6"
ai_subject_display: "Claude Sonnet 4.6 (web search on)"
ai_subject_version: "sonnet-46-websearch"
response_failure_mode: "misstated_rule"
substrate_document_name: "R1-REGULATION-00001"
substrate_document_path: "https://reglegbrief.com/substrate/INT/OECD/OECD-MERGER-REVIEW-RECOMMENDATION-2025/R1-REGULATION-00001/source.pdf"
substrate_section_anchor: "Section VIII.c — Reporting cycle: initial report within 5 years, then at least every 10 years thereafter"
citation_issue_types: ["Contradictory"]
audiences: ["ai_labs"]
published_at: "2026-06-07T23:15:59.054806+00:00"
substrate_version: 1
methodology_version: "2.3"
license: "CC-BY-4.0"
resource: "https://reglegbrief.com/regulators/j1/int/oecd/OECD-MERGER-REVIEW-RECOMMENDATION-2025/ai-labs/finding/INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025-v1-004--sonnet-46-websearch/"
tags: ["ai-hallucination", "misstated_rule", "oecd", "oecd-merger-review-recommendation-2025", "int"]
timestamp: "2026-06-16T00:00:00+00:00"
---

# AI Hallucination Finding: What does Section VIII.c of the 2025 OECD Merger Review Recommendation require of the Competition…

- **Citation ID.** `RLB-H-INT-OECD-OECD-MERGER-REVIEW-RECOMMENDATION-2025-Q004-Sonnet46`
- **Finding UID.** `INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025-v1-004--sonnet-46-websearch`
- **Regulation.** [`OECD-MERGER-REVIEW-RECOMMENDATION-2025`](/okf/regulations/OECD-MERGER-REVIEW-RECOMMENDATION-2025.md) — Recommendation of the Council on Merger Review (2025 Revision)
- **Regulator.** [`OECD-INT-001`](/okf/bodies/OECD-INT-001.md) — Organisation for Economic Co-operation and Development
- **AI subject.** Claude Sonnet 4.6 (web search on)
- **Failure mode.** [`misstated_rule`](/okf/taxonomy/failure-modes.md)
- **Published.** 2026-06-07T23:15:59.054806+00:00

## Question put to the AI subject

What does Section VIII.c of the 2025 OECD Merger Review Recommendation require of the Competition Committee regarding Council reporting, including the specific timeline and whether the reporting structure involves a single uniform interval or multiple distinct intervals?

## AI subject's verbatim answer

Fixed interval: 5 years (next report: 2030; following report: 2035)

## Verbatim regulator text contradicting the answer

> VIII.c: 'report to Council on the implementation, dissemination and continued relevance of this Recommendation no later than five years following its revision and at least every ten years thereafter.'

_Source:_ [R1-REGULATION-00001](https://reglegbrief.com/substrate/INT/OECD/OECD-MERGER-REVIEW-RECOMMENDATION-2025/R1-REGULATION-00001/source.pdf)
_Section anchor:_ Section VIII.c — Reporting cycle: initial report within 5 years, then at least every 10 years thereafter

## Failure mode

**`misstated_rule`** — Misstated rule — the AI gave a definite rule, threshold, or obligation that the regulator's verbatim text does not support.

## Citation-issue types

- **Contradictory** — <https://legalinstruments.oecd.org/en/instruments/OECD-LEGAL-0333>
- **Contradictory** — <https://legalinstruments.oecd.org/public/doc/195/195.en.pdf>
- **Contradictory** — <https://legalinstruments.oecd.org/api/download/?uri=/public/general-info-file/073d138e-477e-412c-a275-b687fa1a0949.pdf>

## Related concepts

- Regulation: [OECD-MERGER-REVIEW-RECOMMENDATION-2025](/okf/regulations/OECD-MERGER-REVIEW-RECOMMENDATION-2025.md)
- Regulator: [OECD-INT-001](/okf/bodies/OECD-INT-001.md)
- Failure-mode taxonomy: [misstated_rule](/okf/taxonomy/failure-modes.md)
- Methodology: [v2.3](/okf/methodology.md)
- Editorial standards: [right of reply](/okf/editorial-standards.md)

## Reproduction

Citation ID: `RLB-H-INT-OECD-OECD-MERGER-REVIEW-RECOMMENDATION-2025-Q004-Sonnet46`

Resource URL (HTML view of this finding):

<https://reglegbrief.com/regulators/j1/int/oecd/OECD-MERGER-REVIEW-RECOMMENDATION-2025/ai-labs/finding/INT-OECD-INT-001-OECD-MERGER-REVIEW-RECOMMENDATION-2025-v1-004--sonnet-46-websearch/>

This finding is reproducible against the substrate document linked above, using the same AI subject, the same methodology version, and the verbatim question text.