17 CFR § 201.222 - Prehearing submissions and disclosures.
(a) Submissions generally. The hearing officer, on his or her own motion, or at the request of a party or other participant, may order any party, including the interested division, to furnish such information as deemed appropriate, including any or all of the following:
(1) An outline or narrative summary of its case or defense;
(2) The legal theories upon which it will rely;
(3) Copies and a list of documents that it intends to introduce at the hearing; and
(4) A list of witnesses who will testify on its behalf, including the witnesses' names, occupations, addresses and a brief summary of their expected testimony.
(b) Expert witnesses—(1) Information to be supplied; reports. Each party who intends to call an expert witness shall submit, in addition to the information required by paragraph (a)(4) of this section, a statement of the expert's qualifications, a listing of other proceedings in which the expert has given expert testimony during the previous four years, and a list of publications authored or co-authored by the expert in the previous ten years. Additionally, if the witness is one retained or specially employed to provide expert testimony in the case or one whose duties as the party's employee regularly involve giving expert testimony, then the party must include in the disclosure a written report—prepared and signed by the witness. The report must contain:
(i) A complete statement of all opinions the witness will express and the basis and reasons for them;
(ii) The facts or data considered by the witness in forming them;
(iii) Any exhibits that will be used to summarize or support them; and
(iv) A statement of the compensation to be paid for the study and testimony in the case.
(2) Drafts and communications protected.
(i) Drafts of any report or other disclosure required under this section need not be furnished regardless of the form in which the draft is recorded.
(ii) Communications between a party's attorney and the party's expert witness who is required to provide a report under this section need not be furnished regardless of the form of the communications, except if the communications relate to compensation for the expert's study or testimony, identify facts or data that the party's attorney provided and that the expert considered in forming the opinions to be expressed, or identify assumptions that the party's attorney provided and that the expert relied on in forming the opinions to be expressed.