SECONDARY ACTIVITY

secondary activity.Labor law. A union’s picketing or boycotting a secondary or neutral party,

with the goal of placing economic pressure on that party so that it will stop doing business with

the employer that is the primary subject of the labor dispute. • Secondary activities are forbidden

by the Labor–Management Relations Act. 29 USCA § 158(b)(4). See secondary boycott under

BOYCOTT; secondary picketing under PICKETING. Cf. PRIMARY ACTIVITY. [Cases: Labor

Relations 344. C.J.S. Labor Relations §§ 309–313, 315–319, 323.] [Blacks Law 8^th]