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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-0401402

TROUT UNLIMITED INC

Also known as 406 MISSOURI RIVER FLY FISHERS

Tax-exempt (reinstated) · GREAT FALLS, MT 59406

Address and contacts

Address (IRS master file)
PO BOX 6876, GREAT FALLS, MT 59406-6876
Mailing address (990-N for 2025)
PO BOX 6876, GREAT FALLS MT 59405
Principal officer (990-N for 2025)
MARK OSENTOWSKI, PO BOX 6876, GREAT FALLS MT 59405
Website
WWW.TU.ORG

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-N on file
2024March 31, 2025August 15, 2025990-N on file
2023March 31, 2024August 15, 2024990-N on file

File the 2026 990-N for TROUT UNLIMITED INC

Due August 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
81-0401402
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Exempt since
1972
Accounting year ends
March
Files
Form 990-N (e-Postcard)
Category (NTEE)
Animal-related (D330)

Revocation and reinstatement

Exemption revoked
May 15, 2022
Posted by the IRS
February 15, 2023
Reinstated
Effective May 15, 2022

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: MARK OSENTOWSKI
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: MARK OSENTOWSKI
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK OSENTOWSKI
March 31, 2024≤ $50,000 receipts––e-Postcard
990-EZDecember 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 81-0401402).

Questions about TROUT UNLIMITED INC

What is the EIN of TROUT UNLIMITED INC?
The employer identification number (EIN) of TROUT UNLIMITED INC is 81-0401402.
Is TROUT UNLIMITED INC tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2022 and reinstated it effective May 15, 2022.
Which annual return does TROUT UNLIMITED INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of TROUT UNLIMITED INC due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did TROUT UNLIMITED INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended March 31, 2026.
Who is the principal officer of TROUT UNLIMITED INC?
The 990-N for 2025 names MARK OSENTOWSKI.

Other nonprofits in GREAT FALLS

All nonprofits in GREAT FALLS · Montana · Animal-related