Here is the good news. With the right checklist, tight workpapers, and a clean tracking ledger, Form 8985 can move fast, stay accurate, and protect you from avoidable penalties and rework. Below I walk you through what Form 8985 does, what changed for 2025, and how to set up a repeatable workflow that scales across multi‑tier structures.
If you remember only one thing, remember this, align your submission path to the situation. Audited BBA partnership push‑outs submit electronically, AAR pass‑through partners fax packages up to 100 pages, and mail anything above that threshold to Ogden.
Key takeaways
- Form 8985 is the Pass‑Through Statement, the transmittal and Partnership Adjustment Tracking Report used under the BBA audit regime to summarize and route adjustments and any push‑outs to partners via Form 8986.
- For audited BBA partnership push‑outs under section 6226, Forms 8985 and 8986 are submitted electronically through the IRS BBA eSubmit process. For AAR contexts, follow the AAR path, including fax and mail rules.
- Pass‑through partners of an AAR partnership must fax 8985 packages that are 100 pages or less to 888‑981‑6982, and mail packages over 100 pages to the Ogden Submission Processing Center. Do not split one package into multiple 8985 batches to game the 100‑page limit.
- The December 2024 revision added an “as corrected” column in Part IV and tightened tracking number rules for outgoing and incoming fields. Follow the specified YYMM****‑****** formats.
- Deadlines matter. Late or missing submissions can trigger imputed underpayment consequences, and partners may face penalties when required statements are not timely. Align due dates to the extended due date shown on the Form 8986 you received.
- Expect more attention on partnerships. The IRS plans a tenfold increase in audit rates for large, complex partnerships by tax year 2026, reinforcing the need for disciplined documentation and tracking.
What Form 8985 is, and when you use it
Form 8985 is your summary and control sheet for partnership adjustments under the BBA regime. You use it to:
- Summarize reviewed‑year adjustments that flow from an AAR or an IRS audit,
- Indicate whether you pay the IU at the pass‑through partner level or push out to your partners,
- Tie every adjustment line to Forms 8986 furnished to reviewed‑year partners, including in multi‑tier structures, and
- Keep a permanent trail using incoming and outgoing tracking numbers so the IRS and downstream partners can follow the movement of adjustments.
Who prepares it:
- Audited BBA partnerships making a 6226 push‑out,
- Direct or indirect pass‑through partners that received a Form 8986 and either pay or push out further, and
- Partnerships filing an AAR that either push out or have adjustments that do not result in an IU.
Signature rules:
- If prepared by an audited or AAR partnership, the PR or DI signs,
- If prepared by a pass‑through partner, an authorized signer signs, and if that partner is a BBA partnership, the PR or DI for the first affected year signs. Electronic submissions use a PIN for the PR or DI.
Where Form 8985 fits with other forms
Think of Form 8985 as the control tower:
- Form 8986, this is the partner‑level statement that mirrors the 8985 summary and lists each partner’s share.
- Form 1065‑X, for BBA partnerships this is how you file an AAR that triggers the downstream 8985 and 8986 work.
- Form 8980, used only in audits to request modifications of an imputed underpayment. This lives in the audited BBA channel and is e‑submitted, not used for AARs.
- Form 8979, used to designate or change the partnership representative or DI. File it when the PR or DI on the affected year changed, including when you are packaging a pass‑through 8985.
Quick coordination map
| Purpose | You are here | What you send | How you send |
| AAR push‑out or no‑IU AAR | Partnership filing 1065‑X | 8985 with related 8986s | With and in the same manner as the AAR, follow fax and mail rules if applicable |
| Pass‑through partner of AAR partnership | Pass‑through receiving an 8986 | 8985, with or without 8986s | Fax if ≤ 100 pages, mail to Ogden if > 100 pages |
| Audited BBA partnership push‑out | Audited partnership under 6226 | 8985 with related 8986s | Electronic BBA eSubmit |
| Pass‑through partner of audited BBA partnership | Pass‑through receiving an audited 8986 | 8985, with or without 8986s | Electronic BBA eSubmit |
In practice, you will assemble Form 8985 whenever adjustments affect imputed underpayments, interest, partner‑level liabilities, or you elect to push out to partners. Keep the Part V statements clean, especially for section 199A and K‑2/K‑3 adjustments that require additional detail.
What changed for 2025, and what that means for your workflow
Several points shifted from prior years and they matter in production.
- The IRS reaffirmed that audited BBA partnerships and their pass‑through partners must submit 8985 and 8986 electronically for 6226 push‑outs. Do not mail those unless you are in the AAR lane.
- For AAR chains, pass‑through partners still fax to 888‑981‑6982 if the entire 8985 and 8986 package is 100 pages or less, and mail to Ogden if the package is more than 100 pages. The IRS has repeatedly warned not to split one package into multiple 8985s just to get under the threshold.
- The December 2024 revision changed Part IV headings and added an “as corrected” column that requires specific totals. Make sure your templates reflect the new layout.
- Tracking number rules are explicit. The instructions set the outgoing format and how incoming numbers flow down the chain. This is essential in multi‑tier structures.
Practical tip, do a five‑minute “page math” early. Count the cover sheet, the 8985, and every 8986 before you pick a submission method. It saves last‑minute scrambles and rejected faxes.
Due dates you cannot miss
- For audited BBA partnership push‑outs, submit Forms 8985 and 8986 no later than 60 days after adjustments are finally determined. Corrected sets within 60 days are permitted without prior permission.
- For pass‑through partners, the due date is the extended due date of the audited or AAR partnership’s adjustment year return, which appears in Part II, item F of the 8986 you received. Late submissions can result in penalties or IU consequences.
The 100‑page rule, the right address, and clean cover pages
- If your AAR‑related package is ≤ 100 pages, fax to 888‑981‑6982.
- If your package is > 100 pages, mail to the Ogden Internal Revenue Submission Processing Center, M/S 4705, 1973 N Rulon White Blvd, Ogden, UT 84201.
- Do not include extra attachments sent to partners. Send only the 8985 and applicable 8986s.
Tracking numbers, with a simple example
The instructions define the pattern for outgoing numbers and how incoming numbers carry forward across tiers. A common AAR scenario looks like this:
- Source AAR partnership issues 8986s dated 2025‑06, EIN ending 1234. Its outgoing tracking number reads 25061234‑000001 on the 8985.
- A pass‑through partner that receives that 8986 uses 25061234‑000001 as its incoming number on its 8985. If it pushes out further, it keeps the same numbers before the dash, then appends its own EIN last four and a two‑digit sequence after the dash.
This pattern, when logged in a simple ledger, makes reviews much faster and avoids mismatches that trigger back‑and‑forth.
Signature, e‑sign, and corrected submissions
- Paper or faxed forms require a wet signature by the appropriate PR, DI, or authorized signer.
- Electronic submissions use a five‑digit PIN to e‑sign where required.
- If you correct a Form 8985, you must resubmit all originally submitted 8986s, including those that did not change.
Why this matters more now
The IRS has stated that by tax year 2026 it plans to increase audit rates for large, complex partnerships by roughly tenfold compared to 2019 levels, and to significantly increase coverage for high‑wealth individuals and large corporations. That puts a spotlight on clean BBA execution and partner‑level reporting. In short, your Form 8985 trail needs to be audit‑ready.
Key mindset, assume your 8985 and 8986 chain will be reviewed by someone who did not sit in your prep meeting. Clear tracking numbers, consistent naming, and a short Part V narrative are not “nice to have,” they are how you pass a cold review.
A repeatable Form 8985 workflow you can trust
You do not need fancy software to stay in control. You need a stable playbook that anyone on your team can run. Here is a simple What‑How‑Wow approach.
What to set up
- SOPs by scenario, AAR push‑out, AAR no‑IU, audited push‑out, pass‑through pay, pass‑through push‑out. One page each, living next to your templates.
- File naming that mirrors the form parts, for example “8985_SourceEIN_Last4_OutgoingTN_1ofX.pdf,” and “8986_PartnerName_EINOrSSNLast4_Seq.pdf.”
- Tracking number ledger, columns for reviewed year, adjustment year, incoming TN, outgoing TN, date furnished, tier, recipient count, page count, due date, and who signed.
- Pre‑filing variance check, confirm Part IV totals on 8985 reconcile to the sum of all 8986s. If K‑2/K‑3 or 199A items are involved, attach clear Part V statements as the instructions describe.
How to run it
- Scope the lane
- Are you in an audited 6226 push‑out, or in an AAR chain using 1065‑X? That answer drives whether you e‑submit or must fax or mail.
- Set dates and page count
- Pull Part II, item F from the 8986 you received to lock the due date. Count pages before you build the cover sheet.
- Build 8985 correctly the first time
- Use the current revision with the “as corrected” column, complete Part III to indicate pay or push‑out, and follow the tracking number format exactly.
- Reconcile 8986s partner by partner
- Totals must tie. For pass‑through partners that choose to pay the IU instead of pushing out, complete Part IV and include the IU calculation details per instructions.
- File the right way
- Audited push‑outs, BBA eSubmit.
- AAR pass‑through partners, fax if ≤ 100 pages, mail if > 100 pages, and never split batches to bypass the limit.
- Document the handoff
- Save the confirmation, fax receipt, or mailing proof, update the ledger, and store signed copies with your PR or DI authorization.
Wow, small things that save hours in review
- Create a one‑line Part V headline per topic, for example “Section 199A, trade A, UBIA correction,” then the numbers. Reviewers find it instantly.
- For tiers, add a short routing sentence to Part V, “Incoming TN 25061234‑000001, outgoing 25061234‑432101,” so a reviewer can trace the chain without opening the ledger.
- Put the due date and page count in the 8985 file name. You will thank yourself when you are juggling three packages on a Friday afternoon.
Common mistakes to eliminate
- Using an old form revision that lacks the “as corrected” column,
- Forgetting to include all originally submitted 8986s when filing a corrected 8985,
- Mixing AAR and audited submission methods, or faxing more than 100 pages,
- Missing PR or DI signature alignment with the first affected year,
- Tracking numbers that do not match between tiers.
Where Accountably fits, briefly
You do not need another resume pile, you need controlled delivery. When teams are buried in production, 8985 packages slip, review time balloons, and partners get pulled back into prep. At Accountably, we integrate trained offshore teams into your workflow to run SOP‑driven prep, standardized workpapers, and a multi‑layer review so your PR signature lands on clean forms, on time. We work inside your systems and templates, and we maintain the tracking ledger, submission evidence, and version control so there is continuity even if staff change. Use us when you want capacity without chaos and review protection without losing control.
Other useful items, including the IRS comment channel
If the instructions are unclear, you can submit specific feedback to the IRS through the Comment on Tax Forms and Publications web form. Be precise about the form, part, and line number, and keep it focused on instruction clarity, not tax law questions. The IRS considers comments, and does not respond individually.
Tip, when you see recurring confusion across your files, draft a suggested sentence or example and include it in your IRS comment. That is more likely to help than a general complaint.
FAQs
What is Form 8985 used for?
You use Form 8985 to summarize and transmit partnership adjustments and to either support a pass‑through partner payment of the imputed underpayment or to push out those adjustments to reviewed‑year partners with Forms 8986. It is the control report that ties the numbers together and provides tracking numbers across tiers.
How does Form 8985 interact with Form 1065‑X?
If you are filing an AAR on Form 1065‑X, include Form 8985 and the related 8986s when you push out or when adjustments do not result in an IU. Your pass‑through partners will then follow the fax or mail rules or push out further as applicable.
Do I file Form 8985 electronically or by fax or mail?
- Audited BBA push‑outs, file electronically via BBA eSubmit.
- Pass‑through partners in an AAR chain, fax if your package is ≤ 100 pages, mail if > 100 pages to the Ogden address listed by the IRS.
What about the partnership representative, do I need Form 8979?
If the PR or DI has changed compared to the first affected year shown on your return, submit Form 8979 to make the change. Clean PR and DI alignment avoids signature or authority issues that slow processing.
Is Form 8980 part of my AAR package?
No. Form 8980 is used in audited BBA cases to request modifications of an imputed underpayment. It is electronically submitted in that audit channel and is not part of an AAR transmittal.
Why are tracking numbers such a big deal?
They prove continuity across tiers and let the IRS, and your reviewers, follow the path of adjustments. The format is defined in the instructions, and your outgoing number often becomes the incoming number for the next tier. Mismatches create delays and corrections.
I heard Form 8985 must be paper‑filed. True?
Not exactly. The method depends on the context. Audited BBA push‑outs submit electronically. Pass‑through partners of an AAR partnership fax or mail based on the 100‑page threshold. The IRS has reiterated this split in multiple places.
Does this affect partner‑level reporting?
Yes. Non pass‑through partners who receive a Form 8986 may need to file Form 8978 with their own reporting year return to reflect additional tax from the adjustments.
Why mention Forms 5498, 8895, or 8925 here?
They are unrelated to BBA push‑outs. They often appear in broad tax FAQs, but they are not part of the 8985 process. Keep your 8985 checklist tight and focused on 8986, 1065‑X, 8979, and, in audit situations, the 8980 family.
Subfooter links you may see on IRS pages
On IRS product pages you will typically find links to Privacy Policy, Accessibility, and general government resources, along with a “Comment on Tax Forms and Publications” link. Use those for reference or to submit targeted feedback, not for case‑specific questions.
Closing thoughts
You do not need heroics to keep Form 8985 on track. You need a calm, documented process, up‑to‑date forms, and one place where tracking numbers live. The IRS has continued to clarify who must e‑submit and when fax or mail applies, it has updated the form layout, and it has been explicit about deadlines. Treat 8985 as operational infrastructure, not a one‑off form, and you will shrink review time, protect your PR, and keep clients confident that their adjustments will not go sideways. If you want a hand building that discipline so partners can stay focused on strategy, we can help you set it up and run it at scale.