29 CFR §458.73

1. (a)Upon his own motion or the motion of the parties, the Administrative Law Judge may direct the parties or their counsel to meet with him for a conference to consider:
   1. (1)Simplification of the issues;
   2. (2)Necessity or desirability of amendments to pleadings for purposes of clarification, simplification, or limitations;
   3. (3)Stipulations, admissions of fact, and contents and authenticity of documents;
   4. (4)Limitation of the number of expert witnesses; and
   5. (5)Such other matters as may tend to expedite the disposition of the proceeding.
2. (b)The record shall show the matters disposed of by order and by agreement in such prehearing conferences. The subsequent course of the proceeding shall be controlled by such action.