Indiana LLC annual report & franchise tax deadlines 2026-2027
Every recurring Indiana filing for LLCs, S corps and C corporations — due dates, fees and the official source for each. Last verified Oct 21, 2026.
LLC
| Report | Business Entity Report Confirmed on official page |
|---|---|
| Due | Every other year by the end of the formation month (can file up to 90 days early) |
| State fee | $32 online / $50 paper |
| How often | biennial |
Corporation (C & S corp)
| Report | Business Entity Report Confirmed on official page |
|---|---|
| Due | Every other year by the end of the incorporation month |
| State fee | $32 online / $50 paper |
| How often | biennial |
Franchise & entity-level taxes
| No separate statewide franchise or entity-level tax listed for this state. |
State income & estimated tax
| Corporate income tax | Yes |
|---|---|
| C corp return | May 15 (IT-20, 15th day of the month after the federal due date) — verify |
| Partnership / S corp return | Apr 15 (IT-65 / IT-20S) — verify |
| Corporate estimates | Apr 15, Jun 15, Sep 15, Dec 15 (follows the federal corporate schedule) |
General pattern — verify Calendar-year pattern; confirm with the revenue department.
Sales tax
Filing frequency (monthly, quarterly or annual) is assigned by the state based on your tax liability. Returns are generally due the 20th of the month after the reporting period. Some monthly filers are due the 30th.
General pattern — verify Your assigned frequency and due day appear in your state tax account.
IRS disaster postponements in Indiana
- IN-2026-01: federal deadlines postponed to Feb 1, 2027 (incident began Aug 11, 2026) — Carroll, Cass, Dearborn, Decatur, Delaware, Fayette, Franklin, Grant, Hamilton, Hancock, Henry, Lake, LaPorte, Madison, Marion, Morgan, Park, Porter, Pulaski, Randolph, Rush, Starke, Tipton, Union, Vermillion, Warren, and Wayne Counties
IRS relief is federal. Whether Indiana follows the postponement for state returns varies — check the state revenue department.
Your Indiana calendar
Add your formation month/year to date anniversary-based reports. Calendar-year filers; weekend and federal-holiday dates roll to the next business day.
Upcoming deadlines
Not tax advice — verify each date with the linked source. Fiscal-year filers' dates differ.
Tools that help you stay compliant
Partner placements — placeholders, not yet live. Disclosed as sponsored when active.
Partner link (placeholder)
Partner link (placeholder)
Partner link (placeholder)
Indiana deadline FAQ
When is the Indiana LLC annual report due?
Every other year by the end of the formation month (can file up to 90 days early).
How much does the Indiana LLC annual report cost?
State fee: $32 online / $50 paper.
When is the Indiana corporation annual report due?
Every other year by the end of the incorporation month. Fee: $32 online / $50 paper. S corporations file the same report as other corporations.
Does Indiana have a franchise tax or annual LLC tax?
We don't list a separate statewide franchise or entity-level tax for Indiana. Income and sales taxes may still apply.
When are Indiana business income tax returns due?
C corporations: May 15 (IT-20, 15th day of the month after the federal due date) — verify. Pass-through entities (partnerships, S corps): Apr 15 (IT-65 / IT-20S) — verify. These are general calendar-year patterns — confirm with the state revenue department.
How often do I file Indiana sales tax?
Filing frequency (monthly, quarterly or annual) is assigned by the state based on your tax liability. Returns are generally due the 20th of the month after the reporting period. Some monthly filers are due the 30th.
What happens if I miss a Indiana deadline?
Most states charge a late fee or penalty and interest, and an entity that keeps missing its annual report can lose good standing and eventually be administratively dissolved. Check the official source for the exact penalty and reinstatement steps.
Official sources
- https://inbiz.in.gov/business-filings/business-entityreport
- https://www.in.gov/dor
- https://inbiz.in.gov/business-filings
- https://iga.in.gov/ic/2026/Title_23/Article_0.5/Chapter_6.pdf
- https://forms.in.gov/Download.aspx?id=16997
Federal dates: IRS Publication 509. Disaster relief: IRS tax relief in disaster situations.
Get deadline alerts for your state
One short email a week: what's due in the next 30 days, plus any IRS or state deadline changes. Free, unsubscribe anytime.