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Revised NMSN Parts A and B — Expire December 31, 2028

ACF-OCSE-AT-26-02
January 26, 2026
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Notifies that states must generate the revised NMSN by Jan. 1, 2027

Release 25-02 Major: Manifest

May 7, 2025
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Describes the changes to SSR, Portal, Lump Sum Reporting, and e-NSMN in Release 25-02

USPS Contact Information for Child Support Agencies - Updated

IM-23-03
October 13, 2023
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Provides US Postal Service updated contact information for verification of employment and medical support

e-NMSN - Answers to Employers' Questions

June 2, 2023
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Answers employers' frequently asked questions about using electronic National Medical Support Notice (e-NMSN)

What Employers Should Know When Working with Tribes

Frequently Asked Questions
June 2, 2023
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Provides answers to common questions about working with a tribal child support program

OCSE Release 23-01 Major: Manifest

February 6, 2023
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Describes the e-IWO, Child Support Portal, e-NMSN, and FCE enhancements for implementation in Release 23-01

National Medical Support Notice Forms & Instructions (Updated)

OMB 0970-0222 & 1210-0113
January 19, 2023
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Legal notice that the employee is obligated to provide health care coverage for the child(ren) identified

States Using e-NMSN

December 5, 2022
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States that have implemented or are in development e-NMSN

e-NMSN Agreement and Profile Forms

OMB 0970-0370
July 21, 2022
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Completed by employers or plan administration to register to use electronic National Medical Support Notice

Detailed Overview of the e-NMSN Process

Another Paperless Solution
March 9, 2022
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Provides an overview of the e-NMSN process and options available to states and employers