(a) Contents of briefs. Briefs must be confined to the particular matters at issue. Each exception to the findings or conclusions being reviewed should be stated succinctly. Exceptions must be supported by citation to the relevant portions of the record, including references to the specific pages relied upon, and by concise argument including citation of such statutes, decisions, and other authorities as may be relevant. If the exception relates to the admission or exclusion of evidence, the substance of the evidence admitted or excluded must be set forth in the brief, in an appendix thereto, or by citation to the record. Reply briefs must be confined to matters in answering briefs of other parties.

(b) Length limitation. Except with leave of the Director, opening and answering briefs may not exceed 30 pages, and reply briefs may not exceed 15 pages, exclusive of pages containing the table of contents, table of authorities, and any addendum that consists solely of copies of applicable cases, pertinent legislative provisions or rules, and exhibits. Motions to file briefs in excess of these limitations are disfavored.