National Medical Support Notice – Part A – Notice to Withhold for Health Care Coverage e-NMSN record specification layout Electronic system to system (Employer Respondents)

Operations, Maintenance, and Enhancements for OCSS Systems

Electronic National Medical Support Notice

Appendix A

Software Interface Specification

Version 1.6

August 23, 2023

Administration for Children and Families

Office of Child Support Service

330 C Street SW, 5th Floor

Washington, DC 20201

Revision History

Date	Revision	Section	Author
3/29/2021	v1.0: Original release	Entire document	H. Rallapalli
6/29/2021	v1.1: Minor updates	No changes to Appendix A	H. Rallapalli
8/18/2021	v1.2: Minor updates	No changes to Appendix A	H. Rallapalli
1/31/2022	v1.3: Minor updates	No changes to Appendix A	H. Rallapalli
4/20/2022	v1.4: Minor Updates		M. Stanczyk
1/27/2023	v1.5: Split document body and appendices into separate files	Entire document	J. Vierow
8/23/2023	V1.6: Field change	Chart A-1: Version Number: Updated comments. Filler: Length increased and the location changed.	M. Stanczyk

1. e-NMSN Version Number Record Layout

All file types submitted to the e-NMSN system must contain the first record as a version number.

Chart A‑1 contains the e-NMSN Version Number Record layout.

Chart A‑1: e-NMSN Version Number Record Layout
Field Name	Length	Location	A/N	Comments
Record Identifier	4	1–4	A	Required. The record identifier for the version number of the records being submitted to the e‑NMSN system. Valid value: VRSN – Version.
Version Number	4	5–8	A/N	Required. The version number for the record layout sent to OCSS. Valid Value: V1.0
Filler: State Request Part-A Response Part-B Response	Varies: 2762 1195 2898	Varies: 9–2770 9–1203 9–2906	A/N	Optional. The filler length varies based on the associated file.