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Tax

Form 1065 (Partnership Return)

Quick definition

Annual return for partnerships (including multi-member LLCs taxed as partnerships) reporting income that passes through to partners on K-1.

Form 1065 reports the partnership's income, deductions, gains, losses — and the entity itself doesn't pay tax. Each partner gets a K-1 with their share. Due March 15 (or 15th day of 3rd month after fiscal year end), with 6-month extension via Form 7004. Mandatory for multi-member LLCs that haven't elected corporate tax treatment.

Related tax terms

Frequently asked questions

What is Form 1065 (Partnership Return)?
Form 1065 reports the partnership's income, deductions, gains, losses — and the entity itself doesn't pay tax. Each partner gets a K-1 with their share. Due March 15 (or 15th day of 3rd month after fiscal year end), with 6-month extension via Form 7004. Mandatory for multi-member LLCs that haven't elected corporate tax treatment.
Why is Form 1065 (Partnership Return) important for startups?
Form 1065 (Partnership Return) is a tax concept that matters for startup founders because it directly affects fundraising readiness, financial decision-making, or operational discipline at the stage where mistakes are expensive to undo. Founders who understand it have a meaningfully easier time in diligence, board meetings, and investor conversations.
What category does Form 1065 (Partnership Return) belong to?
Form 1065 (Partnership Return) is a Tax term in the StartupCFO finance glossary — alongside other tax concepts that founders, CFOs, and accountants use in daily startup operations and reporting.
Where can I learn more about Form 1065 (Partnership Return)?
Beyond this definition, see the related tax terms below, or explore StartupCFO's insights and tools that put Form 1065 (Partnership Return) in context. For specific situations, talk to a fractional CFO who can walk through your numbers.

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