What is form 1065 & k-1 preparation?
The partnership return and every partner’s K-1, from books that already tie.
Form 1065 is the U.S. Return of Partnership Income, and the single fact that shapes everything about preparing one is that it's an information return, not a tax return in the ordinary sense — the partnership itself pays no federal income tax on what it reports. Every dollar of income, deduction and credit gets computed at the partnership level and then passed through to the individual partners, each of whom picks up their share on their own Form 1040. The 1065 tells the IRS what happened; the tax gets paid by the partners, not the partnership.
That pass-through structure is why the K-1 matters as much as the 1065 itself. Each partner gets their own Schedule K-1, itemizing their distributive share of ordinary income, rental income, interest, capital gains, credits and separately-stated items for the year — and that K-1 is what they hand to whoever prepares their personal return, because it flows onto Schedule E of their own Form 1040. A 1065 without correct K-1s isn't half-finished; the K-1s are the actual deliverable each partner needs, not a byproduct of filing the main form.
Who does what
Prepared with partner CPA firms who review, sign and file.
Who does what
| Your CapEasy team | Form 1065 & K-1 preparation, the reconciliations and reporting behind it, and the questions list that keeps it honest. |
| Your CPA or enrolled agent | Everything that carries a licence in United States — rendered exactly as written: issue compilation, review or audit reports — those are restricted to licensed cpa firms. |
| You | One conversation with one named person, and the decisions that are genuinely yours. |
Form 1065 & K-1 preparation in United States
The partnership pays no federal tax — the K-1 is what each partner is taxed on
Form 1065 reports the partnership's total income, deductions and credits for the year, but the tax liability lands entirely on the partners. Each partner's Schedule K-1 states their distributive share, and that figure flows onto their own Form 1040 (typically Schedule E) where it's taxed at their individual rate alongside everything else on their personal return. A partnership can show a large profit on its 1065 and still owe the IRS nothing directly — the money is owed by the people who hold the K-1s.
March 15 is the deadline, and Form 7004 has to be filed before it, not after
A calendar-year partnership's Form 1065 is due the 15th day of the third month after the tax year closes — March 15 in a normal year, March 16, 2026 for the 2025 tax year because March 15 falls on a Sunday. An automatic six-month extension is available via Form 7004, moving the deadline to September 15, but the 7004 itself has to be submitted on or before the original due date. Filing it late defeats the purpose — it's not a request the IRS can grant retroactively.
The late-filing penalty is per partner, per month — it doesn't stay small
A late Form 1065 draws a penalty of $255 per month per partner for returns due after December 31, 2025 (it was $245/month/partner for returns due in 2025), for up to 12 months. A five-partner partnership that files three months late is already looking at over $3,800 in penalty before any tax is even at issue — because it's an information return, the penalty is designed around the number of K-1s the IRS didn't receive on time, not around unpaid tax.
10+ returns or 100+ partners triggers mandatory e-filing
A partnership that files 10 or more returns of any type in the year (not just 1065s — this counts across W-2s, 1099s and other IRS filings the entity makes), or that has 100 or more partners, is required to e-file its Form 1065. This threshold is easy to cross without noticing as a partnership adds partners or scales its filings, so it's worth checking every year rather than assuming last year's filing method still applies.
What your CPA or enrolled agent receives from us
- A completed draft of Form 1065 — total partnership income, deductions and credits computed from the year's closed books, ready for the partner CPA firm's review.
- A draft Schedule K-1 for every partner, itemizing their distributive share per the partnership or operating agreement's actual allocation terms.
- A partner capital account rollforward reconciling each partner's beginning balance, contributions, distributions, allocated income/loss and ending balance for the year.
- A guaranteed-payments schedule, separating payments for services or capital from ordinary profit distributions, per partner.
- The Schedule M-1/M-2 book-to-tax reconciliation, showing where the partnership's books and its tax return figures differ and why.
- A mandatory-e-file threshold check — confirmed partner count and total IRS filings for the year against the 10-return / 100-partner rule.


