If a union proposes changes to a permissive bargaining issue, the employer must show a good faith effort to consider the proposal.

Permissive Bargaining Issue

issues in collective bargaining that are not mandatory or illegal for negotiation, and may be discussed at the discretion of both parties, such as certain employee benefits.

Good Faith Effort

An honest, sincere intention or attempt to fulfill a duty or obligation without intent to defraud or seek an unfair advantage.