Which categories of swap instruments were actually subject to the pre-trade mid-market mark disclosure requirement under §23.431(a)(3) prior to its elimination by the December 2025 CFTC final rule, and does 'eliminated in its entirety' mean the requirement was removed for all swap types?
The model extended "eliminated in its entirety" to mean the underlying disclosure obligations were removed, when the rule's actual operation was a paragraph-level restructuring — the price and compensation disclosure requirements were moved to different subsections of §23.431(a), not abolished. The model produced a product-agnostic exemption claim unsupported by the rule text, implying that a swap dealer's PTMMM obligations across its entire covered book were extinguished. That is a material mischaracterisation of what the amendment did.
This failure is a post-training calibration gap: the model interpreted 'eliminated in its entirety' as obligation extinguishment when the rule's operation was a paragraph-level reorganisation — the disclosure and compensation requirements moved subsections rather than disappearing. The model generated a product-agnostic exemption claim unsupported by the rule text, suggesting the calibration signal for 'eliminate/delete' in a rulemaking context does not adequately distinguish structural reorganisation from substantive removal. No cited sources were produced, indicating this was a training-reconstruction failure rather than a retrieval failure.
AI assistants we tested stated that the December 2025 CFTC final rule's elimination of the PTMMM requirement freed cleared credit default swaps — index and single-name — from the pre-trade mid-market mark obligation, describing the relief as product-agnostic across the covered swap book. In fact, cleared swaps were outside §23.431(a)(3)'s scope before the rule, and the amendment reorganised the provision's structure without changing which instruments it covered.
A Compliance team at a Corporate Banking firm that relies on this AI response when drafting its implementation policies will produce a desk-level disclosure framework that misrepresents both the historical scope of the requirement and the actual effect of the 2025 amendments — an error that will persist in training materials, counterparty communication templates, and internal audit documentation until a qualified reviewer identifies it.
If the CFTC's Division of Swap Dealer and Intermediary Oversight examines the firm during this implementation window and finds policies and attestation records built on a fabricated product-scope narrative, the firm faces examination findings and potential enforcement action for demonstrably inaccurate regulatory compliance documentation.
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.
RegLeg Specialist Panel (2026). "Finding#1 — PTMMM elimination scope — cleared vs. uncleared instrument coverage — Corporate Banking × Compliance — United States." Citation ID: RLB-F-US-CFTC-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-Q004. RegLegBrief AI Hallucination Research, published 2026-06-04. https://reglegbrief.com/regulators/j3/us/cftc/swap-dealer-business-conduct-documentation-2025/sectors/corporate_banking/compliance/finding/US-CFTC-US-001-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-v1-004/
RegLeg Specialist Panel. (2026). Finding#1 — PTMMM elimination scope — cleared vs. uncleared instrument coverage [Hallucination finding RLB-F-US-CFTC-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-Q004]. RegLegBrief AI Hallucination Research. https://reglegbrief.com/regulators/j3/us/cftc/swap-dealer-business-conduct-documentation-2025/sectors/corporate_banking/compliance/finding/US-CFTC-US-001-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-v1-004/
RegLeg Specialist Panel, Finding#1 — PTMMM elimination scope — cleared vs. uncleared instrument coverage [RLB-F-US-CFTC-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-Q004], RegLegBrief AI Hallucination Research (June 04, 2026), https://reglegbrief.com/regulators/j3/us/cftc/swap-dealer-business-conduct-documentation-2025/sectors/corporate_banking/compliance/finding/US-CFTC-US-001-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-v1-004/.
@misc{reglegbrief_RLB_F_US_CFTC_SWAP_DEALER_BUSINESS_CONDUCT_DOCUMENTATION_2025_Q004,
author = {RegLeg Specialist Panel},
title = {Finding#1 — PTMMM elimination scope — cleared vs. uncleared instrument coverage},
year = {2026},
publisher = {RegLegBrief AI Hallucination Research},
note = {Hallucination finding Citation ID: RLB-F-US-CFTC-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-Q004},
url = {https://reglegbrief.com/regulators/j3/us/cftc/swap-dealer-business-conduct-documentation-2025/sectors/corporate_banking/compliance/finding/US-CFTC-US-001-SWAP-DEALER-BUSINESS-CONDUCT-DOCUMENTATION-2025-v1-004/}
}