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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-6100409

SIGMA PI FRATERNITY INTERNATIONAL INC

Also known as GAMMA-MU CHAPTER

Tax-exempt · OSHKOSH, WI 54901

Address and contacts

Address (IRS master file)
630 AMHERST AVE, OSHKOSH, WI 54901-4306
Mailing address (990-N for 2025)
630 AMHURST AVE, OSHKOSH WI 54901
Principal officer (990-N for 2025)
IAN PARKER, 630 AMHURST AVE, OSHKOSH WI 54901

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 December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for SIGMA PI FRATERNITY INTERNATIONAL INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-6100409
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1940
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: IAN PARKER
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Brett Einberger
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: David Hartzel
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: David Hartzel
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Kirk Kaldor
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Kirk Kaldor
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Clayton Aschliman
December 31, 2018≤ $50,000 receipts––e-Postcard

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 39-6100409).

Questions about SIGMA PI FRATERNITY INTERNATIONAL INC

What is the EIN of SIGMA PI FRATERNITY INTERNATIONAL INC?
The employer identification number (EIN) of SIGMA PI FRATERNITY INTERNATIONAL INC is 39-6100409.
Is SIGMA PI FRATERNITY INTERNATIONAL INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
Are donations to SIGMA PI FRATERNITY INTERNATIONAL INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIGMA PI FRATERNITY INTERNATIONAL INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA PI FRATERNITY INTERNATIONAL INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIGMA PI FRATERNITY INTERNATIONAL INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of SIGMA PI FRATERNITY INTERNATIONAL INC?
The 990-N for 2025 names IAN PARKER.

Other nonprofits in OSHKOSH

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