Updated Restricted Vendor List
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Updated DUS Gateway API Requirements for Resubmissions
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Lender Letter 25-03: Loan Document Update
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Updated Program Rules
Effective and viewable in DUS Navigate on August 12, 2025.
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| PUBLICATION IDENTIFIER | PUBLICATION NAME | EFFECTIVE DATE |
|---|---|---|
| Notification 25-11 | Restricted Vendor List | 06/18/2025 |
| Guide Update 25-12 | Multifamily Required Trade Information (Form 4097 Job Aid) | 06/04/2025 |
| Supplement 25-03 | Due Diligence for Designated Disaster Areas and States of Emergency | 05/28/2025 |
| Guide Update 25-11 | Insurance | 06/02/2025 |
| Notification 25-09 | Schedule of Approved Title Insurance Underwriters (Form 4650.A) | 05/21/2025 |
| Notification 25-08 | DUS Gateway APIs | 09/30/2025 |
| Guide Update 25-10 | Title Insurance Policy | 05/08/2025 |
| Supplement 25-01 | Additional Requirements for Certain Brokered Transactions | 05/02/2025 |
| Guide Update 25-09 | Credit Facilities | 04/30/2025 |
| Guide Update 25-07 | Radon Requirements | 04/16/2025 |
| Guide Update 25-06 | Preferred Equity | 04/14/2025 |
| Notification 25-07 | Multifamily Underwriting Standards (Form 4660) | 04/14/2025 |
| Guide Update 25-04 | Fraud Prevention | 04/14/2025 |
| Guide Update 25-03 | Appraiser Independence | 03/31/2025 |
| Notification 25-05 | Form 4250 | 03/31/2025 |
| Guide Update 25-02 | Prepayment Premium Sharing Calculations | 03/11/2025 |
| Notification 25-03 | Potential Red Flags for Mortgage Fraud and Other Suspicious Activity | 04/01/2025 |
| Notification 25-02R | Form 4099.G | 02/13/2025 |
| Guide Update 25-01 | Underwritten Net Cash Flow | 02/12/2025 |
| Notification 25-01 | Program Rules | 08/12/2025 |
| Notification 24-23 | Appraisal Data Set (Form 4827.A) | 01/28/2025 |
| Guide Update 24-12R | Revised Implementation Timing for Appraisal, Market, and Valuation | 11/15/2024 |
| Guide Update 24-10 | SARM Underwriting and Escrows | 10/25/2024 |
| Guide Update 24-09 | Expanded Housing Choice | 10/15/2024 |
| Guide Update 24-06 | Small Mortgage Loan PCAs | 06/07/2024 |
| Supplement 24-04 | Compliance Timing for Certain Insurance Policies | 05/30/2024 |
| Supplement 24-03 | Revised Interest Rate Cap Process | 03/29/2024 |
| Supplement 24-02 | Interest Rate Cap Escrows | 03/25/2024 |
| Supplement 23-04 | Property Condition Assessment (PCA) Underwriting Guidance | 10/18/2023 |
| Supplement 21-08 | CARES Act Compliance with Law Notice | 08/16/2021 |
| PART | CONTENT |
|---|---|
|
Part I Mortgage Loan |
An overview of how to use the Guide and information relevant to all Mortgage Loans, Borrowers, Key Principals, and Principals.
|
|
Part II Property |
Criteria relevant to all Properties, including eligibility, valuation, income, legal compliance, inspections, reserves, insurance, and environmental information.
|
|
Part III Products and Features |
Underwriting information for specific property types and transaction structures, such as MAH, Small Mortgage Loans, Green, SARMs, and Supplementals.
|
|
Part IV Committing and Delivery |
Information related to pricing, fees, committing, delivery, purchase, and conversions for all Mortgage Loans.
|
|
Part V Servicing and Asset Management |
Information related to servicing, asset management, and surveillance.
|
|
Appendix Glossary |
List of key terms and accompanying definitions and synonyms used throughout the Guide.
|
Requirements
Mandatory conditions that must be satisfied for all Lender-delegated Mortgage Loans and activities.
Guidance
Best practice guidance to inform and support a Lender’s delegated analysis and decision-making.
Operating Procedures
Required steps or processes that must be followed.
