Discipline. While disciplinary measures are relied upon by management for the enforcement of work rules, as well as comprise the majority of issues with which arbitrators are confronted for resolution, discipline needs to be imposed in accordance with certain legal standards. Among them are the following: Industrial due process, industrial equal protection, individualized treatment, an appropriate level of evidentiary proof, as well as the parameters of procedural due process generally and the more specific application of Weingarten rules. Identify and explain the relevance of several of these concepts to the use of discipline in the workplace.