Nonprofit Tax Deadlines in Indiana
Federal and state filing dates, extensions, and estimate schedules for 2026.
Indiana filing deadline
Nonprofit annual return generally due the 15th day of the 5th month.
Due: May 15, 2026
Extension: Nov 15, 2026
Form: State nonprofit return
Estimated payments
No state estimated payment schedule listed.
Due: N/A
FAQ
Does Indiana require Nonprofit estimated payments?
Estimated payments are not typically required at the entity level, but confirm with Indiana Department of Revenue.
Where can I file Indiana Nonprofit taxes?
Use Indiana Department of Revenue resources at https://www.in.gov/dor for forms and filing instructions.