{
  "tool_id": "art-447-securitization-risk-retention-check",
  "kernel_id": "art-447-securitization-risk-retention-check",
  "display_name": "Securitization Risk Retention Check",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_mandate",
  "purpose": "EU Securitisation Regulation (EU) 2017/2402 Art.6 and U.S. Credit Risk Retention Rule (Dodd-Frank Sec.941, Reg RR, 12 CFR Part 244) 5% risk-retention checker: verifies the originator/sponsor/original-lender retains at least 5% net economic interest via a recognized method (vertical slice, horizontal first-loss, L-shaped, representative sample, seller's interest), applies the U.S. Qualified Residential Mortgage (QRM) exemption where flagged, and flags EU-specific structural breaches -- retainer sole-purpose-entity prohibition and retained-interest hedging/sale. Deterministic point-in-time structural check from caller-supplied retention method, exposure/retained amounts, and jurisdiction-specific flags for a single reporting date. Not a compute_rbc_action_level (NAIC insurer capital ladder) or calculate_solvency2_scr_ratio (EU insurer capital) check -- this is bank/ABS securitization risk-retention structure, not insurer solvency.",
  "control_description": "EU Securitisation Regulation (EU) 2017/2402 Art.6 and U.S. Credit Risk Retention Rule (Dodd-Frank Sec.941, Reg RR, 12 CFR Part 244) 5% risk-retention checker: verifies the originator/sponsor/original-lender retains at least 5% net economic interest via a recognized method (vertical slice, horizontal first-loss, L-shaped, representative sample, seller's interest), applies the U.S. Qualified Residential Mortgage (QRM) exemption where flagged, and flags EU-specific structural breaches -- retainer sole-purpose-entity prohibition and retained-interest hedging/sale. Deterministic point-in-time structural check from caller-supplied retention method, exposure/retained amounts, and jurisdiction-specific flags for a single reporting date. Not a compute_rbc_action_level (NAIC insurer capital ladder) or calculate_solvency2_scr_ratio (EU insurer capital) check -- this is bank/ABS securitization risk-retention structure, not insurer solvency.",
  "declared_inputs": [],
  "declared_outputs": [],
  "kernel_digest": "sha256:7c47eb66621889efcbc72476358adf9d81118f0c4692dc01375cb7251f1ada8e",
  "trust_label": "independently verified -- zkVM execution proof (risc0/groth16-bn254)",
  "data_vintage": "2026-07-23",
  "last_validated": "2026-07-23",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 73,
  "source_url": "https://ainumbers.co/chaingraph/art-447-securitization-risk-retention-check.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}