---
kind: "section"
citation: "29 C.F.R. § 1206.4"
title: "29"
number: "1206.4"
heading: "Time limits on applications."
url: "https://uscodex.org/cfr/29/1206.4"
---

# §1206.4. Time limits on applications.


Except in unusual or extraordinary circumstances, the National Mediation Board will not accept an application for investigation of a representation dispute among employees of a carrier:

- (a) For a period of two (2) years from the date of a certification or decertification covering the same craft or class of employees on the same carrier, and
- (b) **For a period of one (1) year from the date on which—**
  - (1) The Board dismissed a docketed application after having conducted an election among the same craft or class of employees on the same carrier and less than a majority of valid ballots cast were for representation; or
  - (2) The Board dismissed a docketed application covering the same craft or class of employees on the same carrier because no dispute existed as defined in [§ 1206.2](/cfr/29/1206.2.md) of these rules; or
  - (3) The Board dismissed a docketed application after the applicant withdrew an application covering the same craft or class of employees on the same carrier after the application was docketed by the Board.

## Notes

### Amendments

[44 FR 10602, Feb. 22, 1979, as amended at 75 FR 26088, May 11, 2010; 84 FR 35989, July 26, 2019]

### Authority

Authority: 44 Stat. 577, as amended; 45 U.S.C. 151-163.

### Source

Source: 12 FR 3083, May 10, 1947, unless otherwise noted. Redesignated at 13 FR 8740, Dec. 30, 1948.

### Amendments

[44 FR 10602, Feb. 22, 1979, as amended at 75 FR 26088, May 11, 2010; 84 FR 35989, July 26, 2019]