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senate Bill S. 1166

Prohibiting Labor Union Micro-Units

Argument in favor

Would reduce confusion and division among workers and added compliance costs for employers.

Argument opposed

Not all bargaining between employers and workers should be mass, collective bargaining. Micro-unions support worker rights.

What is Senate Bill S. 1166?

This bill deals with labor union bargaining units. A 2011 decision by the National Labor Relation Board (NLRB) allowed for the creation of what are known as "micro-unions," or multiple small bargaining units tied to an employer, craft, plant or subdivision unit. This bill would effectively prohibit such bargaining units and instead requiring the NLRB to determine a unit as appropriate for collective bargaining if it consists of "employees that share a sufficient community of interest."

The factors the NLRB must consider when making such determinations are  (1) similarity of wages, benefits, and working conditions; (2) similarity of skills and training; (3) centrality of management and common supervision; (4) extent of interchange and frequency of contact between employees; (5) integration of the work flow and interrelationship of the production process; (6) the consistency of the unit with the employer’s organizational structure; (7) similarity of job functions and work; and (8) the bargaining history in the particular unit and the industry.

The bill also prohibits exclusion of employees from the unit "unless the group's interests are sufficiently distinct from those of other employees to warrant the establishment of a separate unit."


The bill impacts labor union bargaining units.

Cost of Senate Bill S. 1166

A CBO cost is currently unavailable.

More Information

Of Note:

-Companion legislation has been introduced in the House. A press release by co-sponsor, Rep. Tom Price (R-GA) can be found here

-An overview of the controversial NLRB decision to allow multiple bargaining units can be found here

Official Title

A bill to amend the National Labor Relations Act to provide for appropriate designation of collective bargaining units.

bill Progress

  • Not enacted
    The President has not signed this bill
  • The house has not voted
  • The senate has not voted
      senate Committees
      Committee on Health, Education, Labor, and Pensions
    IntroducedJune 13th, 2013