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Practitioners — Public Auditors · published 2026-05-28 · methodology v2.1

Coverage of Division 4 of Part VI in MAS Notice 637

What the RLB Specialist Panel found

5. Coverage of Division 4 of Part VI in MAS Notice 637

  • Question (paraphrased to protect IP): What does Division 4 of Part VI of MAS Notice 637 cover?
  • Source regulation: MAS Notice 637 — Risk Based Capital Adequacy Requirements for Banks (Regulator portal: https://www.mas.gov.sg)
  • What AI assistants typically say: AI tools described Division 4 of Part VI as covering submission requirements relating to capital instruments. The AI explicitly noted within the same response that the divisional structure of Part VI in the current version of the notice could not be exhaustively verified from publicly indexed sources.
  • What the regulator actually says: No regulator excerpt was available in the materials reviewed. Practitioners should consult the current consolidated MAS Notice 637 directly to confirm the content of Division 4 of Part VI.
  • Why the AI went wrong: The AI inferred Division 4's content from the general subject matter of Part VI — which deals with capital definitions and related requirements — rather than retrieving the division's actual scope from the notice text. Its own in-response caveat acknowledges the limitation. A practitioner who reads only the summary sentence and not the hedge would carry forward an unverified characterisation as though it were a confirmed fact.
  • Cited source(s):
Impact for this audience

A public auditor who accepts the AI's characterisation of Division 4 of Part VI as covering capital instrument submission requirements will direct audit procedures toward submission mechanics rather than whatever Division 4 actually governs. If the division covers a substantive capital requirement — a classification test, a calculation, or a trigger condition — the audit may fail to examine a material obligation. The auditor's working papers would record a scope decision that, if challenged by MAS or the Institute of Singapore Chartered Accountants, could not be supported by reference to the notice text, and the auditor may have no basis to demonstrate that the relevant requirement was tested.

References — raw findings (per AI model)
This finding also affects
← Previous finding Finding 4. Subject matter of Annex 6C in consolidated MAS Notice 637
Cite this finding

Each finding has a stable Citation ID (RLB-F-… for aggregated case-study findings, RLB-H-… for raw per-model hallucinations) — like a DOI, the ID always resolves to the canonical finding even if URLs change.

Plain text 
RegLeg Specialist Panel (2026). "Coverage of Division 4 of Part VI in MAS Notice 637 — Practitioners — Public Auditors." Citation ID: . RegLegBrief AI Hallucination Research, published 2026-05-28. https://reglegbrief.com/audiences/practitioners/sg/public-auditors/finding/q-NOTICE-637-CAPITAL-ADEQUACY-BANKS-2025-v1-022/
APA 7th edition 
RegLeg Specialist Panel. (2026). Coverage of Division 4 of Part VI in MAS Notice 637 [Hallucination finding ]. RegLegBrief AI Hallucination Research. https://reglegbrief.com/audiences/practitioners/sg/public-auditors/finding/q-NOTICE-637-CAPITAL-ADEQUACY-BANKS-2025-v1-022/
Bluebook / OSCOLA (US + UK legal) 
RegLeg Specialist Panel, Coverage of Division 4 of Part VI in MAS Notice 637 [], RegLegBrief AI Hallucination Research (May 28, 2026), https://reglegbrief.com/audiences/practitioners/sg/public-auditors/finding/q-NOTICE-637-CAPITAL-ADEQUACY-BANKS-2025-v1-022/.
BibTeX 
@misc{reglegbrief_,
  author    = {RegLeg Specialist Panel},
  title     = {Coverage of Division 4 of Part VI in MAS Notice 637},
  year      = {2026},
  publisher = {RegLegBrief AI Hallucination Research},
  note      = {Hallucination finding Citation ID: },
  url       = {https://reglegbrief.com/audiences/practitioners/sg/public-auditors/finding/q-NOTICE-637-CAPITAL-ADEQUACY-BANKS-2025-v1-022/}
}
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