OMB control number
Application for Investigation of Representative Dispute
OMB 3140-0001 · NMB.
OMB 3140-0001
This information is used by the NMB to determine such matters, as how many staff will be required to conduct an investigation and other resources needed.
The latest form for Application for Investigation of Representative Dispute expires 2020-12-31 and can be found here.
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