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K-1

The schedule a partnership, S corporation, or trust issues to each owner showing their share of income, deductions, and credits. It flows to the owner’s personal return.

What is K-1?

The schedule a partnership, S corporation, or trust issues to each owner showing their share of income, deductions, and credits. It flows to the owner's personal return.

Why it matters on your return

K-1s arrive late, often after April 15, which is why partners and S corporation owners extend. The figures on a K-1 include income you may never have received in cash, and basis tracking determines whether distributions are taxable. Losses are limited by basis, at-risk rules, and passive activity rules.

Example

Your S corporation earns $100,000 and distributes $40,000. Your K-1 reports $100,000 of income, all taxed to you this year. The $60,000 you left in the company increases your basis.

My K-1 arrived after I filed. What now?

You amend the return. Extending in the first place avoids that, which is why we extend clients who expect K-1s.

Last reviewed September 10, 2026. Tax rules change; confirm current law before acting.

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