National Labor Relations Board v. Plasterers' Local Union No. 79

When a charge is filed under § 8 (b) (4) (D) of the National Labor Relations Act, as amended, the provision 1 banning so-called jurisdictional disputes, the Board must under § 10 (k) “hear and determine the dispute out of which [the] unfair labor practice shall have arisen, unless . . . the parties to such dispute” adjust or agree upon a method for the voluntary adjustment of the dispute. 2 The issue here is whether an employer, picketed to force reassignment of work, is a “party” to the “dispute” for purposes of § 10 (k). When the two unions involved, but not the employer, have agreed upon a…