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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 16-1332807

SIGMA CHI FRATERNITY

Also known as IOTA ZETA CHAPTER CLARKSON UNIV

Tax-exempt · POTSDAM, NY 13699

Address and contacts

Address (IRS master file)
10 CLARKSON AVE, POTSDAM, NY 13699-1401
In care of
% KEVIN LOBDELL
Mailing address (990-N for 2025)
10 Clarkson Ave, Potsdam NY 13699
Principal officer (990-N for 2025)
John-Anthony Napierkowski, 10 Clarkson Ave Box 6280, Potsdam NY 13699

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, 2025No data
2023December 31, 2023May 15, 2024No data

File the 2026 990-N for SIGMA CHI FRATERNITY

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

IRS record

EIN
16-1332807
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1937
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: John-Anthony Napierkowski
December 31, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about SIGMA CHI FRATERNITY

What is the EIN of SIGMA CHI FRATERNITY?
The employer identification number (EIN) of SIGMA CHI FRATERNITY is 16-1332807.
Is SIGMA CHI FRATERNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1937.
Are donations to SIGMA CHI FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIGMA CHI FRATERNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA CHI FRATERNITY 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 CHI FRATERNITY 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 CHI FRATERNITY?
The 990-N for 2025 names John-Anthony Napierkowski.

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