It's early March, your books aren't final, and your partnership or S corporation return is due on the 15th. Filing late can mean penalties for every owner, every month. Form 7004 gives you six more months, automatically. But it comes with one catch that trips up a lot of business owners.
Who uses Form 7004
Form 7004 extends the deadline for most business income tax returns, including:
- Partnerships and multi-member LLCs (Form 1065): due March 15 for calendar-year businesses, extended to September 15
- S corporations (Form 1120-S): due March 15, extended to September 15
- C corporations (Form 1120): due April 15 for calendar-year corporations, extended to October 15
Individuals, including sole proprietors who report business income on Schedule C, use Form 4868 instead.
Step by step
- Confirm your original due date. Form 7004 must be filed by the return's original deadline. Filed late, it doesn't count.
- Find the code for your return. Form 7004 asks which return you're extending, using a code listed in the instructions.
- Enter your business information. Use your legal name, EIN, and address exactly as they appear on your IRS records.
- Estimate any tax owed. For C corporations, estimate the total tax for the year, subtract payments already made, and pay the balance with the extension.
- File it. Most tax software can e-file Form 7004, and you'll receive an acceptance confirmation. Keep that confirmation with your records.
An extension to file, not to pay
This is the most common misunderstanding. Form 7004 gives you more time to file the return, not more time to pay. A C corporation that owes tax and pays late will generally owe interest, and may owe penalties, even with a valid extension. Partnerships and S corporations usually don't pay federal income tax themselves, but their returns face per-owner, per-month penalties if filed late without an extension.
Don't forget the owners
When a partnership or S corporation extends its return, the owners won't receive their Schedule K-1s until the return is filed. Owners often need to extend their personal returns as well, and should still make estimated payments for any tax they expect to owe.
State returns
States handle extensions differently. Many, including California, grant an automatic extension without a separate form, but still expect any tax owed to be paid by the original due date. Check each state where you file.
We'd file the extension early, pay a realistic estimate of anything owed, and use the extra months to get the return right, not to put it off.