28 CFR 68.16: Consolidation of hearings.

When two or more hearings are to be held, and the same or substantially similar evidence is relevant and material to the matters at issue at each such hearing, the Administrative Law Judge assigned may, upon motion by any party, or on his or her own motion, order that a consolidated hearing be conducted. Where consolidated hearings are held, a single record of the proceedings may be made and the evidence introduced in one matter may be considered as introduced in the others, and a separate or joint decision shall be made at the discretion of the Administrative Law Judge.