(a) The examination of any person pursuant to a civil investigative demand for oral testimony duly served must be taken before any person authorized to administer oaths and affirmations under the laws of this state or the United States. The person before whom the testimony is to be taken shall put the witness on oath or affirmation and shall personally or by someone acting under the person’s direction and in the person’s presence record the witness’s testimony. At the expense of the attorney general, and except as provided by this subsection, the testimony must be taken stenographically and may be transcribed. The attorney general may take audio and video recordings of the testimony by providing notice to the person to be examined not later than the seventh day before the day the person is to be examined.
(b) The oral testimony of any person taken pursuant to a demand served must be taken within 100 miles of the county where the person resides, is found, or transacts business or in any other place agreed on by the person and the attorney general.

(c) Any person compelled to appear under a demand for oral testimony may be accompanied, represented, and advised by counsel. Counsel may advise the person in confidence, either on the request of the person or on the counsel’s own initiative, with respect to any question arising in connection with the examination.
(d) The individual conducting the examination on behalf of the attorney general shall exclude from the place of examination all other persons except the person being examined, the person’s counsel, the counsel of the person to whom the demand has been issued, the person before whom the testimony is to be taken, any stenographer taking the testimony, audiographer, videographer, and any person assisting the individual conducting the examination.
(e) During the examination, the person being examined or the person’s counsel may object on the record to any question in accordance with Rule 199.5(e), Texas Rules of Civil Procedure. An objection may properly be made, received, and entered on the record when it is claimed that the person is entitled to refuse to answer the question on grounds of any constitutional or other privilege, including the privilege against self-incrimination. Neither that person nor the person’s counsel may otherwise object to or refuse to answer any question or interrupt the oral examination. If the person refuses to answer any question, the attorney general may petition the district court in the county where the examination is being conducted for an order compelling the person to answer the question.
(f) After the testimony has been fully transcribed, the person before whom the testimony was taken shall promptly transmit the transcript of the testimony to the witness and a copy of the transcript to the attorney general. The witness must have a reasonable opportunity to examine the transcript and make any changes in form or substance accompanied by a statement of the reasons for the changes. The witness shall then sign and return the transcript. If the witness does not return the transcript to the person before whom the testimony was taken not later than the 20th day after the date the transcript was provided to the witness, the witness may be deemed to have waived the right to make changes. The officer shall then certify on the transcript that the witness was duly sworn and that the transcript is a true record of the testimony given by the witness and promptly transmit a copy of the certified transcript to the attorney general.
(g) On request, the attorney general shall furnish a copy of the certified transcript to the witness.
(h) The attorney general may provide the witness the same fees and mileage reimbursement that are paid to witnesses in the district courts of this state.