A bill to protect the economic rights of labor in the building and construction of industry by providing for equal treatment of craft and industrial workers.

Provides that concerted activities on the part of labor organizations or laborers employed in the construction business shall be unfair labor practices within the meaning of the National Labor Relations Act when directed at any of several employers on a construction site only if such acts would otherwise be unfair labor practices within the meaning of the Act.

Requires ten days' notice to be given to the Federal Mediation and Conciliation Service of intent to strike a military installation engaged in specified activities.