94 STAT. 382
PUBLIC LAW 96-252—MAY 28, 1980 "(B) delivering a duly executed copy of such demand or petition to the principal office or place of business of the partnership, corporation, association, or other legal entity to be served; or "(C) depositing a duly executed copy in the United States mails, by registered or certified mail, return receipt requested, duly addressed to such partnership, corporation, association, or other legal entity at its principal office or place of business. "(8) Service of any civil investigative demand or of any enforcement petition filed under this section may be made upon any natural person by— "(A) delivering a duly executed copy of such demand or petition to the person to be served; or "(B) depositing a duly executed copy in the United States mails by registered or certified mail, return receipt requested, duly addressed to such person at his residence or principal office or place of business. "(9) A verified return by the individual serving any civil investigative demand or any enforcement petition filed under this section setting forth the manner of such service shall be proof of such service. In the case of service by registered or certified mail, such return shall be accompanied by the return post office receipt of delivery of such demand or enforcement petition. "(10) The production of documentary material in response to a civil investigative demand shall be made under a sworn certificate, in such form as the demand designates, by the person, if a natural person, to whom the demand is directed or, if not a natural person, by any person having knowledge of the facts and circumstances relating to such production, to the effect that all of the documentary material required by the demand and in the possession, custody, or control of the person to whom the demand is directed has been produced and made available to the custodian. "(11) Each reporting requirement or question in a civil investigative demand shall be answered separately and fully in writing under oath, unless it is objected to, in which event the reasons for the objection shall be stated in lieu of an answer, and it shall be submitted under a sworn certificate, in such form as the demand designates, by the person, if a natural person, to whom the demand is directed or, if not a natural person, by any person responsible for answering each reporting requirement or question, to the effect that all information required by the demand and in the possession, custody, control, or knowledge of the person to whom the demand is directed has been submitted. "(12)(A) Any Commission investigator before whom oral testimony is to be taken shall put the witness on oath or affirmation and shall personally, or by any individual acting under his direction and in his presence, record the testimony of the witness. The testimony shall be taken stenographically and transcribed. After the testimony is fully transcribed, the Commission investigator before whom the testimony is taken shall promptly transmit a copy of the transcript of the testimony to the custodian. "(B) Any Commission investigator before whom oral testimony is to be taken shall exclude from the place where the testimony is to be taken all other persons except the person giving the testimony, his attorney, the officer before whom the testimony is to be taken, and any stenographer taking such testimony. "(C) The oral testimony of any person taken pursuant to a civil investigative demand shall be taken in the judicial district of the
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