39 C.F.R. §§ 3020.117–3020.119

Service and contents. In the interest of expedition and limited to information which appears reasonably calculated to lead to the discovery of admissible evidence, any participant in a proceeding may propound to any other participant no more than a total of 25 written, sequentially numbered interrogatories, by witness, requesting non-privileged information relevant to the subject matter of the proceeding. An interrogatory with subparts that are logically or factually subsumed within and necessarily related to the primary question will be counted as one interrogatory. The respondent shall answer each interrogatory and furnish such information as is available. The participant propounding the interrogatories shall file them with the Commission in conformance with part 3010, subpart B, of this chapter. Follow-up interrogatories that clarify or elaborate on the answer to an earlier discovery request may be filed after the period for intervenor discovery on the Postal Service case ends, if the interrogatories are filed within seven days of receipt of the answer to the previous interrogatory. In extraordinary circumstances, follow-up interrogatories may be filed not less than six days prior to the filing date for the participant's rebuttal or surrebuttal testimony.

Motion to be excused from answering. A respondent may, in lieu of answering an interrogatory, file a motion pursuant to § 3020.105(b) to be excused from answering.

Supplemental answers. A respondent has a duty to timely amend a prior answer if it obtains information upon the basis of which it knows that the answer was incorrect when made or is no longer true. A respondent shall serve supplemental answers to update or to correct responses whenever necessary, up until the date the answer could have been accepted into evidence as written cross-examination. A respondent shall indicate whether the answer merely supplements the previous answer to make it current or whether it is a complete replacement for the previous answer.

Motions to be excused from answering. A respondent may, in lieu of answering a request for production, file a motion pursuant to § 3020.105(b) to be excused from answering.

Service and content. In the interest of expedition, any participant may serve upon any other participant a written request for the admission of any relevant, unprivileged facts, including the genuineness of any documents or exhibits to be presented in the hearing. The admission shall be for purposes of the pending proceeding only. The participant requesting the admission shall file its request with the Commission in conformance with subpart B to part 3010 of this chapter.

Motion to be excused from answering. A respondent may, in lieu of answering a request for admission, file a motion pursuant to § 3020.105(b) to be excused from answering.