; or (bb) be responsible to or subject to the supervision or direction of the reviewing official. (IV) Procedures to ensure that the reviewing official does not participate or advise in the decision required under subparagraph (D). (V) The provision to any individual alleged to be liable to repay funds under section 3 of opportunities to present the individual's case through oral or documentary evidence, to submit rebuttal evidence, and to conduct such cross-examination as may be required for a full and true disclosure of the facts. (VI) Procedures to permit any individual alleged to be liable to repay funds under section 3 to be accompanied, represented, and advised by counsel or such other qualified representative as authority head of the agency may specify by regulation. (VII) Procedures to ensure that the hearing is conducted in an impartial manner, including procedures to— (aa) permit the presiding officer to at any time disqualify himself or herself