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GSE guidance on AI

The new rules of accountability

Our latest thought leadership introduces a new GSE guidance making AI accountability, validation, and liability a C-suite priority, outlining our phased compliance solutions, and urges organizations to act before the March 2026 deadline.

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Artificial intelligence is transforming industries, but with advancement comes increased scrutiny. Recent guidance from the Government-Sponsored Enterprise’s (GSEs) new bulletin has fundamentally reshaped the landscape of AI use, elevating it from an operational advantage to a key C-suite-level risk. With a firm March 2026 deadline, organizations are now expected to meet new, non-negotiable standards for accountability, validation, and liability, including an unprecedented indemnification clause.

This isn't merely a technical update; it's a strategic imperative with direct financial implications. The shift from implicit expectations to explicit liability calls for demonstrable proof of effective oversight, continuous validation, and a defined acceptance of financial responsibility.

The challenge: A notable impact across the mortgage ecosystem

The new GSE guidance creates a notable ripple effect, impacting each participant differently:

01
For seller/servicers (lenders, servicers)

Direct compliance & financial risk

02
For capital markets firms (investment banks, dealer groups)

Inherited risk & due diligence

03
For technology & service vendors

Supply chain risk & competitive opportunity

Dive into our thinking:

GSE Guidance on AI

The new rules of accountability

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KPMG solution: A phased approach to effective AI governance

At KPMG, we understand the complexities of this evolving regulatory environment. We provide a structured, phased path to not only achieve compliance but to build an effective, trustworthy AI program that creates a competitive advantage. Our services are designed to meet you where you are, guiding you through each step:

1

Assess: Your readiness roadmap

  • AI governance readiness assessment: A targeted engagement to benchmark your current state against GSE guidance and deliver a prioritized action plan.
  • Third-party AI due diligence framework: For capital markets firms, we help design and build frameworks to evaluate the AI risk of your partners and investments.
  • Validation & testing services: Independent, technical testing of your AI models for bias, security, fairness, safety, and performance to generate the necessary evidence for continuous validation.

2

Remediate & build: Closing the gaps

  • AI governance implementation: Hands-on support to develop defined policies, implement technical controls, and design effective, repeatable testing procedures.
  • Centralized AI inventory: Build and maintain a thorough, enterprise-wide inventory of AI systems, creating a single source of truth for risk management, compliance, and strategic oversight.
  • AI vulnerability management: Integrate an adaptive, AI-specific framework into your existing vulnerability management program to evaluate, prioritize, and remediate AI vulnerabilities.

3

Certify & operate: Building long-term trust

  • AI governance managed services: For organizations focused on core business, we can operate components of your ongoing AI monitoring, testing, and reporting as a managed service.

Take action now

The March 2026 deadline is closer than it appears. Don't wait to address these important changes.

Contact us for a complimentary GSE AI Guidance readiness briefing to discuss how these new rules will impact your specific business and how KPMG can help you achieve compliance and build a trusted AI program.

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