|(a) The department may consolidate two or more contested cases
if the cases involve common questions of law and fact, and separate hearings
would result in unwarranted expense or delay or substantial injustice.
(b) A motion for severance of one or more proceedings shall
be in writing, signed by the movant or the movant's attorney or representative,
and filed with the judge prior to the date set for hearing. A severance shall
not be granted without the affirmative consent of the parties unless the judge
finds that a consolidation of two or more proceedings would result in unwarranted
expense or delay or substantial injustice to the movant.