Form 1065 explained
U.S. Return of Partnership Income
Form 1065 is the annual return a partnership files to report its income, deductions, and credits. The partnership pays no tax on it: each partner receives a Schedule K-1 and reports their share on their own return.
- Who files it
- Every domestic partnership, and every multi-member LLC that has not elected to be taxed as a corporation.
- Where it goes
- The IRS. Each partner receives their own Schedule K-1 from the partnership.
- When it is due
- The fifteenth day of the third month after the tax year ends, so 15 March for a calendar-year partnership. An extension moves it six months, to 15 September.
- What it is not
- It does not calculate tax owed. A partnership is a pass-through: the tax is computed on each partner's own return, from the K-1.
What it reports
A 1065 is a stack of schedules rather than one page. Which schedule a number lives on decides who reads it.
| Schedule | What it reports |
|---|---|
| Page 1 | Ordinary business income or loss: receipts, cost of goods sold, and the deductions that net against them. |
| Schedule B | Questions about the partnership's structure, ownership, and filing obligations. |
| Schedule K | The partnership's totals for every item that passes through, before it is split. |
| Schedule K-1 | One per partner, carrying that partner's share of every Schedule K line. |
| Schedule L | The balance sheet as kept in the partnership's books. |
| Schedules M-1 and M-2 | The reconciliation between book income and taxable income, and the movement in partners' capital accounts. |
The K-1 is the part partners actually receive
A partner rarely sees the 1065 itself. What arrives is the Schedule K-1: their share of ordinary income, rental income, interest, dividends, capital gains, guaranteed payments, and the deductions and credits that pass through, each on its own numbered line.
A late K-1 is why partners so often extend their own returns. The partnership's deadline is the same day as the individual extension deadline in many years, and a personal return cannot be completed without it.
Late filing is penalized per partner, per month
The penalty for filing late is charged for each month, multiplied by the number of partners, which makes a large partnership's late filing expensive quickly. Extending is free and the deadline is the same one the return has.
LedgerBox does not read this form
LedgerBox does not read Form 1065 or Schedule K-1. It reads the bank and brokerage statements, invoices, and receipts a partnership's books are built from, and checks the arithmetic on each.
Form 1065 questions
Does a two-member LLC file Form 1065?
Yes, unless it has elected to be taxed as a corporation. A multi-member LLC is a partnership for federal tax purposes by default.
What is the difference between Form 1065 and Form 1120-S?
Both are pass-through returns. 1065 is for partnerships and multi-member LLCs; 1120-S is for S corporations. The K-1 lines and the rules on distributions, basis, and reasonable compensation differ.
Does a partnership with no income still file?
Generally yes. The obligation follows from being a partnership rather than from having income, and a return with zeroes on it is still a return.
Read next
- Form 1120-S, the S corporation return The other pass-through return, and how the two differ.
- Schedule E Where a partner's K-1 income lands on the individual return.
- Convert bank statements to Excel and CSV The records the return is built from.
Reference pages on the forms that arrive with a set of books. Every form in the glossary