CPMI-IOSCO Consultation on Updated Guidance and Public Disclosures to Implement Initial Margin Proposals

Bank for International Settlements — Committee on Payments and Market Infrastructures (CPMI) (BIS-CPMI)

Last updated 7 Jun 2026 · Full ledger: Hallucination Register · Parent: BIS-CPMI

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Citation issues

Dominant mode count

Research Complete Hallucination findings published

Hallucination Shape

(1 Response Hallucination + 3 Citation Hallucination = 4 Hallucination findings)

Response Hallucination Modes (1 failure)

Misstated Rule 0 Outdated 0 Misattributed 0 Inference Drift 1

Citation Hallucination Modes (3 failures)

Fabricated 0

Pretextual 1

Contradictory 2

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Hallucination findings

1 finding card across 1 AI Model — covering 1 Response Hallucination + 3 Citation Hallucinations (4 hallucination failures total). Each card pairs the AI's answer against the authenticated regulator-text excerpt that contradicts it, and flags every AI-cited source as Fabricated / Pretextual / Contradictory.

Model: Claude Sonnet 4.6 (web search on) · published 2026-06-07 · Inference Drift

RLB-H-INT-BIS-CPMI-IOSCO-INITIAL-MARGIN-DISCLOSURE-CONSULT-2026-Q005-Sonnet46

What specific information must CCPs publicly disclose about their margin model override framework under the CPMI-IOSCO 2026 consultation on initial margin transparency?

Claude Sonnet 4.6 (web search on) answered

(1) the instances or circumstances where overrides may be warranted; (2) the key decision-makers authorised to exercise override discretion; and (3) the permissible types of adjustments that can be made.

Regulator text says

'CCPs should publicly disclose relevant information on their override framework.' [Confirmed via multiple search snippets of d232 content]

Verbatim source

p_03_ANNEX_Override_framework___public_disclosure_r_d232_covernote.pdf — Override framework — public disclosure requirement

substrate/INT/BIS-CPMI/CPMI-IOSCO-INITIAL-MARGIN-DISCLOSURE-CONSULT-2026/_raw_manual_substrate/p_03_ANNEX_Override_framework___public_disclosure_r_d232_covernote.pdf

AI's cited sources

https://www.bis.org/cpmi/publ/d232_resilience_guidance.pdf Contradictory
https://www.bis.org/cpmi/publ/d232.htm Contradictory
https://www.regulationtomorrow.com/2026/05/cpmi-iosco-consult-on-updated-guidance-and-public-disc... Pretextual

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Every finding on this page compares an AI subject's account of the rule against the regulator's verbatim text from the regulator's own portal. Both are linked. Each delta, its root causes, and impact analysis are documented and published with immutable Citation IDs.