43 CFR §4.1033

1. (a)General. A party may depose a witness to preserve testimony only if the ALJ determines that the party has met the criteria set forth in paragraph (b) of this section and authorizes the deposition in a written order or during a prehearing conference. Authorization of depositions for discovery purposes is governed by § 4.1031.
2. (b)Criteria.
   1. (1)The ALJ may authorize a deposition to preserve testimony only if the party shows that the witness:
      1. (i)Will be unable to attend the hearing because of age, illness, or other incapacity; or
      2. (ii)Is unwilling to attend the hearing voluntarily, and the party is unable to compel the witness's attendance at the hearing by subpoena.
   2. (2)Paragraph (b)(1)(ii) of this section does not apply to any person employed by or under contract with the party seeking the deposition.
   3. (3)A party may depose a senior Department employee of OFA only if the party shows:
      1. (i)That the employee's testimony is necessary in order to provide significant, unprivileged information that is not available from any other source or by less burdensome means; and
      2. (ii)That the deposition would not significantly interfere with the employee's ability to perform his or her official duties.
3. (c)Motion and notice. A party seeking the ALJ's authorization to take a deposition to preserve testimony must file a motion which explains how the criteria in paragraph (b) of this section have been met and states:
   1. (1)The time and place that the deposition is to be taken;
   2. (2)The name and address of the person before whom the deposition is to be taken;
   3. (3)The name and address of the witness whose deposition is to be taken; and
   4. (4)Any documents or materials that the witness is to produce.