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Understanding and Operationalizing Mandatory, Permissive and Illegal Subjects of Bargaining

Overview 

During contract negotiations, contractors know that wages and benefits will always be front and center. But, what about other subjects, such as travel time, bargaining unit scope, converting from an 8(f) to a 9(a) relationship, etc.? Is the contractor required to bargain over these subjects or can they refuse to bargain over the topic? 

The National Labor Relations Act (NLRA) divides the subjects of bargaining into three categories:


Generally, the test for determining whether a bargaining subject is mandatory or permissive is whether the subject “vitally affects” the relations between the employer and its employees. Provided below is a summary of common examples of each.

Mandatory Subjects

Mandatory subjects of bargaining include:

Again, parties have a statutory obligation to bargain over mandatory subjects of bargaining. The NLRA does not require agreement, of course, but the contractor must engage in bargaining over mandatory subjects of bargaining. 

Permissive Subjects

Permissive subjects are matters that the parties are free to bargain over, but have no obligation to do so. Permissive subjects of bargaining include the following:

Illegal Subjects

Illegal bargaining subjects include:

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