SECTION 8. MEDIATION SESSION
Internal Revenue Bulletin 2009-40 · 2026-10-03 edition · updated 2026-10-04 · United States
.01 Discussion summaries. Each party will prepare a discussion summary of the issues (including the party’s arguments in favor of the party’s position) for consideration by the mediator. The discussion summaries should be submitted to the mediator and the other party no later than two weeks before the mediation session is scheduled to occur.
.02 Confidentiality . The mediation process is confidential. Therefore, all information concerning any dispute resolution communication is confidential and may not be disclosed by any party, participant, observer or mediator except as provided by statute, such as in section 6103 of the Internal Revenue Code and 5 U.S.C. § 574. A dispute resolution communication includes all oral or written communications prepared for the purposes of a dispute resolution proceeding. See 5 U.S.C. § 571(5). .03 Ex Parte Contacts Prohibited. To ensure that one party is not in a position to exert undue influence on the mediator, there will be no ex parte contacts with the mediator outside the mediation session.
The prohibition against ex parte communications is intended to apply only to unsolicited contacts from one of the parties outside the mediation session. It ensures the mediator does not receive information or evidence the other party is unaware of and is unable to respond to or rebut. This provision does not prevent the mediator from contacting a party, or a party from answering a question or request posed by the mediator.
.04 Withdrawal . Either party may withdraw from the process anytime before reaching a settlement of the issue(s) being
2009–40 I.R.B. 464 October 5, 2009
the rules of the United States Tax Court and applicable canons of ethics.
.04 Use as precedent. A settlement reached by the parties through mediation will not be binding on the parties (or be otherwise controlling) for taxable years not covered by the agreement. Except as provided in the agreement, no party may use such settlement as precedent.
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