Basic Guide to the National Labor Relations Act

Section 
8(b)(4)—Prohibited Strikes and Boycotts................................................................................. 27
Proscribed 
action: 
Inducing 
or 
encouraging a strike work stoppage, or boycott ................................ 27
Proscribed 
action: 
Threats, coercion, and restraint ............................................................................. 27
Subparagraph (A)—Prohibited object: Compelling membership in an employer

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or labor organization or compelling a hot cargo agreement............................................................. 28
Examples of violations of Section 8(b)(4)(A)..................................................................................... 28
Subparagraph (B)—Prohibited object: Compelling recognition of an uncertified
union ................................................................................................................................................ 28
Examples of violations of Section 8(b)(4)(B)..................................................................................... 28
When an employer is not protected from secondary strikes or boycotts............................................. 28
When a union may picket an employer who shares a site with another employer.............................. 29
Picketing 
contractors’ gates ................................................................................................................ 29
Subparagraph (B)—Prohibited object: Compelling recognition of an uncertified
union ................................................................................................................................................ 30
Subparagraph (C)—Prohibited object: Compelling recognition of a union if
another union has been certified ...................................................................................................... 30
Subparagraph 
(D)—Prohibited 
object: 
Compelling assignment of certain work to
certain employees ............................................................................................................................ 30
Publicity 
such 
as 
handbilling 
allowed by Section 8(b)(4) .................................................................. 30