> Picketing to force an employer to recognize - or employees to select - a union is permitted under certain circumstances. As with secondary boycotts, the law here is a bit complex.
> Section 8(b)(7) of the Act makes it unlawful for a labor organization or its agents "to picket or cause to be picketed, or threaten to picket or cause to be picketed, any employer where an object thereof is forcing or requiring an employer to recognize or bargain with a labor organization as the representative of his employees, or forcing or requiring the employees of an employer to accept or select such labor organization as their collective-bargaining representative, unless such labor organization is currently certified as the representative of such employees: (A) where the employer has lawfully recognized any other labor organization and a question concerning representation may not appropriately be raised under Section 9(c); (B) where within the preceding 12 months a valid election under Section 9(c) has been conducted; or (C) where such picketing has been conducted without a petition under Section 9(c) being filed within a reasonable period of time not to exceed 30 days from the commencement of such picketing: ...
