Partnership Tax Return Documents Checklist (Form 1065) | HelloBooks Partnership tax return documents for Form 1065: closed books, partner details and capital activity, guaranteed payments, and the K-1 data each partner needs.
A partnership return reports the business’s results and then allocates them to each partner. Collect the partner-level information at the same time as the books, or the K-1s will hold up the whole return.
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The IRS describes Form 1065 as the information return partnerships file to report their income, gains, losses, deductions and credits. The partnership files a copy of each Schedule K-1 with the IRS, and the K-1 reports the partner’s share.
In calendar 2026, partnership returns were due March 16, per Publication 509.
Allocations follow the partnership agreement, so ask for the current agreement and any amendments every year. Then collect each partner’s contributions, distributions and guaranteed payments, and any change in ownership during the year.
Set up separate equity accounts per partner in HelloBooks for contributions and draws. At year end, capital activity per partner is a report, not a reconstruction from bank statements.
General information for tax and accounting professionals, not legal advice. Rules are summarised from the primary sources listed on the date shown; read the current text before relying on it.
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