Filing after October 15

The final deadline for 2025 returns on extension was October 15. Late returns are still accepted, and penalties stop growing once a return is filed. Inkle’s tax experts prepare the return, you review and approve it, and we file it, along with any penalty relief request you qualify for.

Start your filing
See what’s overdue

S-corp and partnership returns were due September 15. If yours is outstanding, we can file it as well - start here.

What was due on October 15?

These forms were due April 15, or October 15 with an extension. If you never filed an extension, the penalty period started in April.

Form 1120 C-Corp tax return

Required for calendar-year C-Corporations that filed Form 7004 for an extension in April.

Learn more
Form 1040Individual tax return

Required for individuals and sole proprietors who filed an extension in April.

Learn more
Form 5472Reportable transactions

Required for US corporations with 25% or more foreign ownership. Filed as part of your Form 1120.

Learn more
Form 5471Foreign corporation reporting

Required for US persons who own 10% or more of a foreign corporation. Filed as part of your Form 1120 or Form 1040.

Learn more
Form 8938Foreign financial assets

Reports specified foreign financial assets above IRS thresholds. Filed as part of your Form 1040, separate from FBAR and often required alongside it.

Learn more
FBARForeign bank accounts

Required if you held foreign financial accounts totaling more than $10,000 at any point during 2025. The October 15 extension is automatic.

Learn more
Filed an S-corp (1120-S) or partnership (1065) return?

Your extended deadline was September 15. If it's already handled, you're set. If it wasn't filed, don't panic. Late filings can often be resolved, and penalties reduced or removed with the right approach. Reach out today and our tax team will tell you exactly where you stand and what to do next.

Get help with a missed deadline
Not sure which filings apply to you? Book a call and our team will help you map it out.
Talk to an expert

File before October 15

Fill in your details and our team will be in touch. Whether you're filing on extension or sorting out a missed deadline, Inkle's licensed tax experts handle your return from start to finish.

Thanks, we've got your details
Your account manager will be in touch shortly to go over everything and get your filing started.
Oops! Something went wrong while submitting the form.