patrolling near employer's place of business by union members - picketing - to publicize the existence of labour dispute, persuade workers to join a strike or join the union, discouraging customers from buying or using employer's goods or service, etc. Page 147

A group of workers publicly protesting against an employer. Usually done during a strike in locations where support can be shown from community members

Under Section 20 of the Trade Union and Labour Relations (Consolidation) Act 1992, trade union immunity does not apply in the event of secondary action; i.e. action other than against the employer in question. However under Section 220 of the Act, picketing is allowed and does not prejudice immunity if it is lawful. It is lawful, in contemplation or furtherance of an industrial dispute, for a person to attend at or near his place of work or, if a union official, at or near a member's place of work, peacefully to obtain or communicate information or to use peaceful persuasion.

Union's patrolling alongside the premises of a business to organize the workers, to gain recognition as a bargaining agent or to publicize a labor dispute with the owner or with whom the owner deals. Strike benefits - Sums paid by a union to its striking members, and sometimes to nonmember strikers, to help finance them during a strike.

Picketing is a form of protest in which people congregate outside a place of work or location where an event is taking place. Often, this is done in an attempt to dissuade others from going in ("crossing the picket line"), but it can also be done to draw public attention to a cause. Pickets normally endeavor to be non-violent.