MPF Announcement 2025-45
MPF Website Update: New Layout for Forms and Exhibits
Effective Date: Immediately
As part of our ongoing commitment to enhance your experience, we’ve made updates to the forms and exhibits section of the MPF Guides webpage to improve both appearance and functionality.
We’ve streamlined the layout so that product-based forms and exhibits are now easier to locate. The updated design organizes content more clearly by form/exhibit type and product under a simplified tab layout.
Before:

New Layout:

There are no substantive changes to the content of the forms and exhibits. However, some document names have been updated for consistency across the MPF Guides. A summary chart is available showing any changes, highlighted in red.
The updated forms/exhibits are now available. PFIs and Servicers may began using them immediately and will be required to use them as of July 30, 2025.
- MPF Customer Service Portal
- Email: MPF-Help@fhlbc.com
- Phone: (877) 345-2673
Current Name: | Updated Name: |
Exhibit A: Anti-Predatory Lending Category | Renamed: Exhibit D: Anti-Predatory Lending Category |
Exhibit D: Electronic Transmission - Excel Data File Format Exhibit D-X: LAR 96 File Layout | Renamed: Exhibit C: Electronic Transmission |
Exhibit E-M: MPF Government MBS Investor Reporting Calendar | Renamed: Exhibit A-M: MPF Investor Reporting Calendars 2025 |
Exhibit F-X: Mortgage Insurance Disclosure | Renamed: Exhibit E-X: Mortgage Insurance Disclosure |
Exhibit G-M: MPF Government MBS Custodian Manifest | Renamed: Exhibit G-M: MPF Government MBS Custodian Manifest Template |
Exhibit H: MPF Program Custodian - Document Codes | Renamed: Exhibit H: MPF Program Custodian - Document Codes |
Exhibit I: MPF Program Custodian - Exception Codes | Exhibit I: MPF Program Custodian - Exception Codes |
Exhibit J: Frequently Asked Questions and Answers of the MPF Program Custodian | Renamed: Exhibit J: MPF Custody Frequently Asked Questions and Answers |
Exhibit Z-X: MPF Xtra FLEX Modification Request | Renamed: Exhibit Z-X: MPF Xtra Flex Modification (FLEX) Request – Instructions |
Exhibit AA-X: MPF Xtra Payment Deferral Request | Renamed: Exhibit AA-X: MPF Xtra Payment Deferral (PD2023) Request – Instructions |
Exhibit BB-X: MPF Xtra Disaster Payment Deferral Request | Renamed: Exhibit BB-X: MPF Xtra Disaster Payment Deferral (PDD) Request – Instructions |
Form SG300: Monthly Summary and Remittance Recap | Renamed: Form SG300: Monthly Summary and Remittance Report |
Form SG337: HLC Mortgage Notification | Renamed: Form SG337: High Level Concern (HLC) Mortgage Notification |
Form SG359: Loan Modification Cover Letter | Renamed: Form SG359: Permanent Loan Modification Cover Letter |
- References:
- MPF Announcement 2025-45