Which business type are you?
Tap your business type to see its main federal return, the usual due date, whether owners get a Schedule K-1 and what clean books matter most.
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- Main federal return
- Schedule C with Form 1040
- Usual due date
- April 15
- Schedule K-1 for owners?
- No
Clean books that matter most: keep business and personal spending separate, and track every business expense so your Schedule C is complete.
Show my deadlines -
- Main federal return
- Form 1065
- Usual due date
- March 15
- Schedule K-1 for owners?
- Yes, each partner gets one
Clean books that matter most: track what each partner puts in and takes out, so every partner's share is right on their K-1.
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- Main federal return
- Form 1120-S
- Usual due date
- March 15
- Schedule K-1 for owners?
- Yes, each shareholder gets one
Clean books that matter most: pay owners who work in the business through payroll, and record shareholder distributions separately.
Show my deadlines -
- Main federal return
- Form 1120
- Usual due date
- April 15
- Schedule K-1 for owners?
- No
Clean books that matter most: keep company and owner money apart, record any shareholder loans and dividends, and plan for quarterly estimated tax.
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- Main federal return
- Form 990 series (990, 990-EZ or 990-N)
- Usual due date
- May 15
- Schedule K-1 for owners?
- No
Clean books that matter most: track restricted and unrestricted funds, and expenses by program, management and general, and fundraising.
Show my deadlines
Due dates are for calendar-year filers and move to the next business day when they fall on a weekend or legal holiday. An LLC can also choose to be taxed as an S or C corporation; your CPA can confirm which applies to you.
General information only, not tax advice. Dates can change; check IRS.gov.
Sources: IRS Publication 509, Tax Calendars (opens in a new tab) and IRS: Return due dates for exempt organizations (opens in a new tab).
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