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Business Tax5 min readMar 17, 2026

Partnership Tax Basics

Partnerships are a popular business structure with unique tax rules. Here's what every partner needs to know about how partnership income is taxed.

Partnership Tax Basics

What Is a Partnership?

A business owned by two or more people. By default, multi-member LLCs are taxed as partnerships.

Pass-Through Taxation

Partnerships don't pay federal income tax. Instead, profits and losses pass through to the partners, who report them on their individual returns.

Form 1065 and Schedule K-1

  • Form 1065: The partnership's informational return (not a tax-paying return)
  • Schedule K-1: Each partner's share of income, deductions, and credits
  • Partners use K-1 information to complete their own returns

Partner's Distributive Share

Each partner's share of income, loss, deductions, and credits is determined by:

  • The partnership agreement (can be different from ownership %)
  • Special allocations are allowed if they have substantial economic effect

Self-Employment Tax

  • General partners: Include all distributive share in self-employment income
  • Limited partners: Generally not subject to SE tax on distributive share
  • Guaranteed payments: Always subject to SE tax

Outside vs. Inside Basis

  • Outside basis: Partner's basis in their partnership interest (individual level)
  • Inside basis: Partnership's basis in its assets
  • Track both carefully for gain/loss calculations

At-Risk and Passive Activity Rules

Limited partners and passive partners may face restrictions on deducting losses.


In a partnership? K-1 reporting and partnership taxation can be complex — let our experts guide you.

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