Here is the line on Form 1065 that most partners never read: the designation of the partnership representative. It looks like an administrative box. It is actually a grant of power over every partner's tax position in an IRS audit.
Under the BBA centralized partnership audit rules, one person speaks for the partnership. That person can agree to adjustments, extend the statute of limitations, and choose whether the partnership pays the tax or pushes it to the partners. Everyone else is bound.
What the statute says
IRC Section 6223(a) requires each partnership to designate a partner "or other person" with a substantial presence in the United States as the partnership representative. That person has "the sole authority to act on behalf of the partnership" under the BBA subchapter. If no designation is in effect, the IRS may select any person.
IRC 6223(b) supplies the teeth. The partnership and all partners are bound by actions taken by the partnership under the BBA rules and by any final decision in a BBA proceeding. For the larger framework, see our overview of the BBA partnership audit regime.
Who can serve
Treas. Reg. 301.6223-1(b) fills in the details. Any person can serve, including an entity and even the partnership itself, if the substantial presence test is met. A person has substantial presence if he or she:
- Makes himself or herself available to meet in person with the IRS in the United States at a reasonable time and place, and
- Has a U.S. taxpayer identification number, a U.S. street address, and a telephone number with a U.S. area code.
If the representative is an entity, the partnership must also appoint a "designated individual" who meets the same test. The entity acts only through that individual. Under Treas. Reg. 301.6223-2(d), the designated individual has sole authority to bind the entity representative and therefore the partnership.
The representative does not need to be a partner. It can be a manager, an outside advisor, or anyone else the partnership names.
How the designation is made
The designation is made on the partnership return for the year it covers. The IRS's instructions point to the Designation of Partnership Representative section of Schedule B of Form 1065, which asks for the representative's name, U.S. address, and phone number.
Two rules trip people up:
- Each designation covers one year only. Treas. Reg. 301.6223-1(c)(1) says a designation for one taxable year is effective only for that year. The person named on the 2021 return is the representative if the IRS audits 2021, even if the partnership named someone else on its 2024 return.
- A power of attorney is not a designation. Treas. Reg. 301.6223-1(a) says a power of attorney, including Form 2848, may not be used to designate a partnership representative. The representative can, however, authorize someone to represent him or her before the IRS under a valid power of attorney.
The powers that come with the job
Treas. Reg. 301.6223-2(a) says the actions of the partnership and the representative bind the partnership, all partners, and indirect partners. The regulation gives examples: a settlement agreement signed by the representative, an uncontested final partnership adjustment, and a final court decision all bind everyone.
In practice, the representative decides whether to:
- Agree to extend the period for making adjustments under IRC 6235(b).
- Request modification of the imputed underpayment within the 270-day window under IRC 6225(c)(7).
- Make the push-out election under IRC 6226 within 45 days after the final partnership adjustment. Treas. Reg. 301.6226-1(c)(3) requires the representative to sign it.
- Petition a court under IRC 6234 within 90 days after the final partnership adjustment.
- Waive the restrictions on assessment under IRC 6232(d)(2).
Each of those choices shifts dollars between partners. Some partners might prefer the partnership to pay. Others, especially new partners who were not around in the reviewed year, may strongly prefer a push-out election. The representative decides.
The risk nobody reads: the partnership agreement does not limit the IRS
Treas. Reg. 301.6223-2(d)(1) states that the representative's failure to follow any state law, partnership agreement, or other agreement has no effect on the representative's authority. The regulation's own examples make the point. A representative who extends the statute without consulting a required management committee still binds the partnership. A representative who is not a partner, and who allegedly lacked authority under state law, still binds the partnership when making a push-out election.
So a partnership agreement can impose duties on the representative, such as consultation, notice, or approval requirements. Breaching them may give the other partners a claim against the representative under state law. But the IRS can rely on the representative's actions regardless.
The same regulation says no partner, other than the representative or designated individual, may participate in the IRS proceeding without IRS permission. If you are not the representative, your influence comes from the agreement and the relationship, not from the tax code.
Actions survive a change in representative
Under Treas. Reg. 301.6223-2(b), a resignation, revocation, or IRS determination that a designation is no longer in effect does not undo what the prior representative did. If the old representative signed a statute extension, it stays valid after he or she is gone. Firing the representative fixes the future, not the past.
Changing or resigning
The IRS says Form 8979, Partnership Representative Designation or Resignation, is used to make a change. The rules on timing are strict.
Revocation by the partnership
Under Treas. Reg. 301.6223-1(e)(2), the partnership generally may revoke a designation only after the IRS issues a notice of selection for examination or a notice of administrative proceeding for that year, or by filing a valid administrative adjustment request under IRC 6227. The AAR form cannot be used solely to change the representative. The revocation must name a successor, or it is not effective. It must be signed by someone who was a partner during the year at issue, under penalties of perjury.
Under Treas. Reg. 301.6223-1(e)(7), if the partnership revokes again within 90 days of a prior revocation for the same year, the IRS may determine no designation is in effect and appoint its own representative without giving the partnership a chance to choose.
Resignation by the representative
Under Treas. Reg. 301.6223-1(d), a representative or designated individual may resign for any reason, but generally only after the IRS issues a notice of administrative proceeding for that year, or at another time permitted by IRS guidance. The IRS's representative page says the resignation is submitted after Letter 2205-D, Letter 5893, or Letter 5893-A is issued. A resigning representative cannot name a successor.
When the IRS picks your representative
If the IRS determines no designation is in effect, Treas. Reg. 301.6223-1(f) generally gives the partnership 30 days from the IRS notice to designate a successor. Miss that window and the IRS designates one. IRM 4.31.9.7.6.2 describes the examiner's handling of Form 8979 in these situations.
The IRS considers factors such as whether a reviewed year partner is eligible, the views of partners holding a majority interest, the person's tax knowledge and access to books and records, and profits interest. No single factor controls. Once the IRS makes the designation, the partnership can revoke it only with IRS permission, which the regulation says will not be unreasonably withheld.
Practical protections
- Name the representative deliberately every year. Do not let the preparer default to whoever signed last year.
- Put duties in the partnership agreement. Notice to partners, consultation before signing extensions or settlements, and a framework for deciding between paying and pushing out.
- Address who bears the cost. The agreement can set out how an imputed underpayment is economically shared, since the payment is not deductible under IRC 6241(4).
- Require cooperation from former partners. Modification and push-out both need reviewed year partner information.
- Consider whether to elect out. An eligible partnership that makes a valid election out of BBA does not need a representative for that year.
If you are the representative, understand that the job carries real decisions with real money attached. Know the BBA notice timeline and keep the partners informed. For background on the cost of a payment at the partnership level, see our guide to the imputed underpayment.
The representative is the most powerful person in a BBA audit, and the IRS will not ask whether the partners agreed. If your partnership is facing an audit or a representative dispute, call the Law Offices of Darrin T. Mish, P.A. in Tampa, Florida at 813-229-7100.
Frequently asked questions
Does the partnership representative have to be a partner?
No. IRC 6223(a) allows the partnership to designate a partner or other person with substantial presence in the United States. Treas. Reg. 301.6223-1(b) permits any person, including an entity or the partnership itself, to serve if the presence test is met. An entity representative must have a designated individual who also meets the test and acts on its behalf.
Can I limit what the partnership representative does through our operating agreement?
You can impose duties, but they do not limit the representative's authority with the IRS. Treas. Reg. 301.6223-2(d) says failure to follow state law or the partnership agreement has no effect on that authority. A breach may support a claim between partners under state law, but the IRS can still rely on the representative's actions, and all partners remain bound.
Can we replace our partnership representative at any time?
Not at any time. Under Treas. Reg. 301.6223-1(e), the partnership generally may revoke a designation only after the IRS issues a notice of selection for examination or a notice of administrative proceeding for that year, or with a valid administrative adjustment request. The revocation must name a successor and is filed using Form 8979, according to IRS guidance.
What happens if no partnership representative is designated?
IRC 6223(a) lets the IRS select any person. Under Treas. Reg. 301.6223-1(f), the IRS generally notifies the partnership, which then has 30 days to designate a successor. If the partnership does not act in that window, the IRS designates one, and the partnership can revoke that designation only with IRS permission.
This guide is general information about federal tax law, not legal advice for your situation. Reading it does not create an attorney-client relationship.