29 CFR 1205.4 - Substantive rules.

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§ 1205.4 Substantive rules.

The only substantive rules issued by the National Mediation Board are those authorized under section 2, Ninth, of the Railway Labor Act to implement the procedure of determining employee representation.

[12 FR 2451, Apr. 16, 1947. Redesignated at 13 FR 8740, Dec. 30, 1948, as amended at 64 FR 40287, July 26, 1999]