(b) All other parties may file briefs or other written statements within 30 days of service of the appellant's brief or statement.
(c) Every brief or statement shall contain a statement of facts and a section setting forth the party's legal arguments. Any brief or statement in support of the appeal shall contain arguments or evidence that tend to establish that the dismissal, order or decision:
(2) Contains an erroneous interpretation of law, regulation or material fact, or misapplication of established policy;
(3) Contains a prejudicial error of procedure; or
(4) Involves a substantial question of law or policy.
(e) Filing and service of the appeal and appellate briefs shall be made in accordance with §1603.209.
