Calling All NMSN Respondents!

The National Medical Support Notice (NMSN) is a two-part notice sent to employers from a local child support agency. Its purpose is to ensure that children receive health care coverage when it's available and required as part of a child support order.

Employers and health plan administrators are required to complete and comply with the National Medical Support Notice (NMSN) and respond within 20 days of receipt. Please use this site for information about National Medical Support Notices and to conveniently respond online!

Register to respond to NMSNs electronically:


If you are already registered, please log in:



What is included in the NMSN?

Part A of the NMSN includes a Notice to Withhold for Health Care Coverage (Health Care Notice), the Employer's Response form, and instructions.

Part B includes a Medical Support Notice to the Plan Administrator, the Plan Administrator's Response form, and instructions.

P.O. Box 4655 - Trenton, NJ 08650 | Phone (800) 806-3621 | Fax (609) 631-0336
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