Introduction
"Other deductions" on Form 1065 is not a catch-all line. Whatever number sits on that line must be backed by an attached statement naming each expense type and its amount.
This guide covers the U.S. federal Form 1065 for partnerships and multi-member LLCs taxed as partnerships. It also speaks to Australian businesses and advisers who handle U.S. partnership reporting.
We'll define the line, walk through a hypothetical statement, sort expenses into the right buckets, show how to reconcile, and flag common errors.
Line references below follow the 2025 form. A 2026 draft exists but is not for filing, so check the form and instructions for your tax year before you file.
Key Takeaways
- Line 21 reports allowable business deductions that have no named line on page 1.
- Itemise each deduction by type and amount so the statement totals exactly to line 21.
- Capital items, separately stated items, partner payments and personal costs stay off the line.
- Keep the statement, Schedules K and K-1, and the ledger telling one consistent story.
What "Other Deductions" Means on Form 1065
What the line represents
On the 2025 Form 1065, page 1, line 21 reads "Other deductions (attach statement)." Lines 9 through 21 total into deductions on line 22, and line 23 shows ordinary business income (loss).
The instructions limit line 21 to allowable trade or business deductions not deductible elsewhere on page 1. Examples include amortization, insurance premiums, and legal and professional fees.
It is not a miscellaneous bucket. Under IRC §162(a), an expense must be ordinary and necessary, paid or incurred in the tax year, and connected to carrying on a trade or business. It also needs substantiation.
Why a statement is required
A single total tells neither the IRS nor the partners what was deducted. The statement breaks the figure into categories so you can:
- Build a trail from the general ledger to the return
- Spot expenses that need a limitation, adjustment, separate statement or different treatment
Put the partnership's name and EIN on every supporting statement.
The statement total feeds line 21, then total deductions on line 22, then ordinary business income or loss on line 23. A page 1 deduction still doesn't mean every related item is ordinary income. Some items must be separately stated on Schedule K and passed to partners on Schedule K-1.
A ledger account called "miscellaneous" or "general expenses" is not support for a deduction. Book classification is only a starting point. Tax classification comes after you review capitalisation, limitations and partner-level reporting.
Form 1065 Other Deductions Statement Example
The hypothetical setup
Assume a fictional two-partner consulting partnership, "Example Advisory Partners." It uses the accrual method, has a calendar 2025 tax year, and maintains a general ledger supported by bank feeds and vendor invoices. All amounts below are illustrative only, not IRS or client data.
The statement layout
The IRS gives no specimen, so this is an illustrative layout using categories the instructions name.
Example Advisory Partners, EIN [EIN] Form 1065, Tax Year 2025, Line 21: Other Deductions
| Deduction type | Amount |
|---|---|
| Insurance premiums (professional liability) | $4,200 |
| Legal and professional fees (accounting, legal) | $6,800 |
| Amortisation (qualifying organisational costs) | $1,000 |
| Software subscriptions | $3,100 |
| Payment-processing fees | $900 |
| Total (agrees to line 21) | $16,000 |
The total must equal the line 21 entry exactly.
What sits behind each line
- Insurance: policy invoices support it. It has no named line, and it relates to the business, not the partners personally.
- Legal and professional fees: engagement letters and invoices support it. Fees tied to acquiring an asset may need capitalising instead.
- Amortisation: an election schedule supports it. Under IRC §709, the partnership may deduct up to $5,000 of organisational costs, with the balance amortised over 180 months.
- Software: subscription invoices support it. A purchased perpetual licence might be capital.
- Processing fees: processor statements support it. Confirm they aren't already netted against revenue.
Similar-looking costs get different treatment depending on whether they relate to employees, partners, inventory, fixed assets, meals, travel, or a separately stated item.
Reconciling to Form 1065
Suppose gross profit is $120,000 and lines 9 through 20 total $54,000. The line 21 figure rolls through as follows:
- Line 21 other deductions: $16,000
- Line 22 total deductions: $70,000
- Line 23 ordinary business income: $50,000
These figures are hypothetical, so verify every line reference against the current form.
Connecting to Schedules K and K-1
These deductions sit within ordinary business income, so each partner's share arrives through Schedule K-1 box 1. If partners split 60/40, they would report $30,000 and $20,000. The allocations must add up to the partnership figure. Line 21 deductions are not cash paid to partners; distributions are separate capital-account items.
Which Expenses Belong in Other Deductions, and Which Do Not
Common categories that may qualify
Ordinary operating costs with no named line often land here:
- Eligible professional services
- Software subscriptions
- Office costs and supplies
- Advertising
- Insurance
- Bank charges
Each needs a business connection, reliable records, and a check for capitalisation, allocation, limitation or separate statement.
Expenses that belong on named lines
Don't push these into line 21. Duplicates inflate deductions, distort ordinary income and create K-1 errors.
| Line | Item |
|---|---|
| 2 | Cost of goods sold (Form 1125-A) |
| 9 | Salaries and wages (not partners) |
| 10 | Guaranteed payments to partners |
| 11 | Repairs and maintenance |
| 13 | Rent |
| 14 | Taxes and licenses |
| 15 | Interest |
| 16a-16c | Depreciation |
| 18 | Retirement plans |
| 19 | Employee benefit programs |
Inventory-related costs need separate treatment through cost of goods sold, not automatic inclusion here.
Current expenses versus capital expenditures
IRC §263(a) denies a current deduction for new buildings and permanent improvements or betterments. The tangible-property regulations generally require capitalising amounts that better, restore or adapt property to a new use.
Three rules to check:
- De minimis safe harbor: generally $5,000 per item or invoice with an applicable financial statement, and $2,500 without one under IRS Notice 2015-82. An election is required.
- Start-up costs (§195): up to $5,000 deductible in the first year, reduced once costs exceed $50,000, with the rest amortised over 180 months.
- Organizational costs (§709): the same $5,000 and $50,000 structure applies to the partnership.
Items that stay out
- Personal expenses
- Partner distributions and capital contributions
- Federal income tax
- Unsupported costs
Some costs are limited or barred rather than fully deductible on line 21:
- Business meals: generally limited to 50%
- Entertainment: generally disallowed under IRC §274
- Fines and penalties: not deductible
- Lobbying: generally denied under §162(e), with a narrow in-house exception up to $2,000
Check each limitation for your tax year.
Separately stated items
Partners may treat these differently, so they don't go in ordinary deductions:
- Charitable contributions (K-1 box 13)
- Section 179 deduction (K-1 box 12)
- Capital gains and losses (Schedule D)
- Credits (K-1 box 15)
- Foreign taxes (Schedule K line 21, K-1 box 21)
See the instructions for Schedules K and K-1, plus K-2 and K-3 where foreign activity applies.
How to Prepare and Reconcile the Statement
Start with the records
Gather these source documents before you draft the statement:
- Adjusted general ledger and trial balance
- Bank and card records, invoices and payroll records
- Fixed-asset schedule and prior-year return
- Partnership agreement
For cross-border businesses, an accounting and tax compliance review helps identify U.S. partnership expenses, remove duplicates and prepare supporting schedules. VJM Global provides workpapers and cross-border compliance support for this work. Outcomes still depend on the facts of each filing.
Use a consistent format
- Give every line a real description and amount, never "miscellaneous"
- Include partnership name, EIN, tax year and title
- Show a clear total and any supporting schedule references
For e-filing, IRS Publication 4163 says statements with columnar data can be attached as PDF, each with a unique, meaningful title and description.
Complete the final reconciliation
- Tie the statement total to the general ledger.
- Tie it to line 21 and total deductions on line 22.
- Confirm Schedule K and the sum of all K-1 amounts agree.
- Review book-to-tax adjustments, nondeductible items, partner-related items, capitalisation and foreign activity.
- Consider state and local filing implications.
Common Errors and Cross-Border Considerations
Vague totals, duplicates and wrong placement
- One unexplained lump sum
- The same expense on a named line and in the statement
- Book totals used without tax adjustments
- No update after year-end journal entries
Keep a reconciliation showing how ledger accounts were grouped and why each landed on line 21.
Missing records or weak business purpose
Invoices, contracts, receipts, payment records, travel documentation and written business-purpose notes should support each category. IRS Publication 583 notes that proof of payment alone doesn't establish a deduction.
Disallowed expenses change partner allocations and can invite penalties. IRC §6662 imposes a 20% accuracy-related penalty on affected underpayments.
Australian readers with a U.S. partnership
Form 1065 reports U.S. partnership activity under U.S. rules. It doesn't replace Australian obligations.
The ATO still requires you to:
- Report assessable foreign income even if foreign tax was paid
- Convert foreign amounts to Australian dollars
Foreign partners may also trigger section 1446 withholding on effectively connected income, filed on Forms 8804 and 8805 separately from Form 1065. The U.S.-Australia treaty (Article 7) generally taxes business profits only in the residence state unless a permanent establishment exists.
With foreign partners or cross-border transactions, get advice from professionals who know both the U.S. filing rules and the Australian consequences. VJM Global serves Australian businesses and U.S. clients alike.
Frequently Asked Questions
What are considered other deductions?
Eligible trade or business deductions not reported on the form's named deduction lines. An attached statement lists each type and amount. Current IRS instructions control.
Where do other deductions appear on Form 1065?
On the 2025 form, page 1, line 21. Confirm the line number for your tax year, since layouts can change.
Do I need an attached statement for Form 1065 line 21?
Yes. The 2025 instructions say to attach a statement listing each deduction by type and amount. E-filers attach it in software or as a PDF.
Are partner payments included as other deductions?
No. Guaranteed payments go on line 10, while distributions and capital contributions are capital-account items. Only ordinary business expenses belong on line 21.
How do other deductions affect Schedule K-1?
They reduce ordinary business income or loss, which flows to partners via Schedule K and K-1. Separately stated items go to their own boxes, and totals must reconcile.
What records support other deductions on Form 1065?
Ledgers, invoices, receipts, contracts, payment records and business-purpose notes. Capitalised or limited expenses may need more, such as asset schedules or elections.
