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NMB is Moving: Our New Address is National Mediation Board 445 12th St. SW Suite 2500 Washington, DC 20024

NMB Arbitration Notices

All Arbitrators should read and understand applicable notices issued by the Director of Arbitration.

07-14-3026 FY26-Q3-Top-Ten-Subject-Codes
04-15-2026 FY26 Q2 Top Ten Subject Codes
04-10-2026 Unfunded Liability 2026 and NMB Ambassador Program
03-23-2026 FY26 Q1 Top Ten Subject Codes
03-19-2026 NMB Notice – Arbitrator Travel Reinstated -3-19-2026
02-02-2026 NMB Notice – Status of Funding and Section 3 Activities for Fiscal Year 2026
9-30-2025 NMB Notice – Status of Funding and Section 3 Activities for Fiscal Year 2026
9-29-2025 NARR Presentation 2025
08-15-2025 Unfunded Liability 2025 and NMB Ambassador Program
06-25-2025 NMB Ambassador Program
11-23-2024 Unfunded Liability 2024 and NMB Ambassador Program
11-15-2024 NMB Chicago Office Contact Information
6-11-2024 Section 3 Briefing, June 11, 2024
3-1-2024 NMB Notice – Status of Funding and Section 3 Activities for Fiscal Year 2024
11-17-2023 Unfunded Liability 2023 and NMB Ambassador Program
9-29-2023 NMB Notice – Status of Funding and Section 3 Activities for Fiscal Year 2023
4-21-2023 NMB Arbitration Notice: NMB Ambassador Program
10-19-2022 Unfunded Liability 2022 and NMB Ambassador Program
10-22-2021 Unfunded Liability 2021 and NMB Ambassador Program
06-30-21 Section 3 Committee New Subject Codes Notice
04-06-21 Section 3 Committee Subject Code Memorandum

NMB Subject Code Revisions Draft

02-17-21 FY2021 Section 3 Activity Report Summary
01-27-21 Section 3 Funding Update
08-24-20 Unfunded Liability 2020 and NMB Ambassador Program
Notice to Fed. Gov’t Employees & Contractors re Safeguarding Government-Classified Information
06-25-19 NMB Caseload Audit – FY 2019
05-30-19 Unfunded Liability 2019 and NMB Ambassador Program
02-05-19 Notice on Fiscal Year  2018
06-01-18 FY 2018 Notice of Audit  2018 Web Audit Instructions
05-10-18 Deadline for Cases Funded in Fiscal Year 2017
04-23-18 Changes to Arbitrator Work Space Memorandum