16 C.F.R. § 1605.10
The Commission may require by the issuance of general or special orders, any person, sole proprietorship, partnership, or corporation to file with the Commission in such form as the Commission may prescribe annual and/or special reports or answers in writing to specific questions which furnish to the Commission such information as it may require as to its organization, business, conduct, practices, management, and relation to any person, sole proprietorship, partnership, or corporation. Such reports and answers shall be made under oath, or otherwise, as the Commission may prescribe and shall be filed with the Commission within such time as the Commission may prescribe, unless additional time may be granted in any case by the Commission.
16 C.F.R. § 1605.10