(a)Presentation and disposition.(1) During the period between the institution of an investigation and the assignment of the investigation to a presiding administrative law judge, all motions shall be addressed to the chief administrative law judge. During the time that an investigation or related proceeding is before an administrative law judge, all motions therein shall be addressed to the administrative law judge.(2) When an investigation or related proceeding is before the Commission, all motions shall be addressed to the Chairman of the Commission. All such motions shall be filed with the Secretary and shall be served upon each party. Motions may not be filed with the Commission during preinstitution proceedings except for motions for temporary relief pursuant to § 210.53 .(b)Content. All written motions shall state the particular order, ruling, or action desired and the grounds therefor.(c)Responses to motions. Within 10 days after service of any written motions, or within such longer or shorter time as may be designated by the administrative law judge or the Commission, a nonmoving party, or in the instance of a motion to amend the complaint or notice of investigation to name an additional respondent after institution, the proposed respondent, shall respond or he may be deemed to have consented to the granting of the relief asked for in the motion. The moving party shall have no right to reply, except as permitted by the administrative law judge or the Commission.(d)Motions for extensions. As a matter of discretion, the administrative law judge or the Commission may waive the requirements of this section as to motions for extension of time, and may rule upon such motions ex parte.59 FR 39039, Aug. 1, 1994, as amended at 78 FR 23842, Apr. 19, 2013; 83 FR 21160, May 8, 2018