40 CFR 179.89: Motions.

A motion, unless made in the course of a preliminary conference or a transcribed oral hearing before the presiding officer, must be filed in the manner prescribed by § 179.80 and include a draft order. A response may be filed within 10 days of service of a motion. The moving party has no right to reply, except as permitted by the presiding officer. The presiding officer shall rule upon the motion.