T3 FHFA Medium Confidence Guidance

Guidance on the Use of Proxies

Fair lending compliance and proxy methodology governance for GSEs and FHLBanks

MODERATE

Impact Level

Top: data governance (4)

Classification

Regulatory Program: FHFA Housing Finance
Doc Type: Guidance
Effective Date: 2026-11-13 (est.)
Days to Action: 120
Comment Deadline: —
Published: —

Urgency Basis

FHFA guidance document without specified effective date, allowing reasonable implementation timeframe for proxy methodology changes

Operational Context

Flags

Legal Review Required Model Validation Trigger Examination Focus

Affected Functions

Risk Management Compliance Data Governance Model Risk Management Fair Lending

Institution Applicability

Gses Fannie Mae Freddie Mac Federal Home Loan Banks

Impact by Category

Compliance

Operational

Data Governance

Model Risk

Reporting & Disclosure

Capital & Liquidity

Consumer Protection

Third-Party Risk

Key Requirements

- Establish proxy usage policies and procedures - Implement statistical validation of proxy methodologies - Document proxy variable selection rationale - Monitor proxy accuracy and performance over time - Ensure proxy usage does not create discriminatory outcomes - Maintain governance oversight of proxy methodologies

Scoring Rationale

Moderate impact primarily in data governance and model risk areas. FHFA guidance requires GSEs to implement robust proxy methodologies for fair lending analysis while ensuring statistical validity and non-discriminatory outcomes. Limited direct operational burden but requires policy development and ongoing monitoring.

Scored: 2026-06-09T20:03:15.280Z Model: claude-sonnet-4-20250514 Confidence: Medium Aggregate Score: 3.0

AI Analysis Disclosure — This record, including its scores, impact assessments, and Advisory Assessment (impact, risk, and recommended actions), was generated by an AI model and may contain errors or omissions. The Advisory Assessment is a starting point for analysis, not a substitute for professional judgment. Effective dates, applicability determinations, impact assessments, and any recommended actions should be independently verified against primary regulatory source documents and reviewed by qualified compliance or legal personnel before taking compliance action. This output does not constitute legal or compliance advice.