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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 04-3071585

SIGMA DELTA TAU SOCIETY

Also known as GAMMA MU CHAPTER

Tax-exempt · BOSTON, MA 02115

Address and contacts

Address (IRS master file)
360 HUNTINGTON AVE, BOSTON, MA 02115-5005
In care of
% KATHLEEN CORDDRY
Mailing address (990-N for 2025)
360 HUNTINGTON AVE, BOSTON MA 021155005
Principal officer (990-N for 2025)
Kathleen Corddry, 433 Lakwood Drive, Winter Park FL 32789

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 DELTA TAU SOCIETY

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

IRS record

EIN
04-3071585
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1948
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Kathleen Corddry
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Isabella Colavita
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Diya Changani
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Kasey Shapiro
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Julia Vestberg
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Meghan Tokala
December 31, 2019≤ $50,000 receipts––e-Postcard
990-EZDecember 2018–––IRS
990-EZDecember 2017–––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 04-3071585).

Questions about SIGMA DELTA TAU SOCIETY

What is the EIN of SIGMA DELTA TAU SOCIETY?
The employer identification number (EIN) of SIGMA DELTA TAU SOCIETY is 04-3071585.
Is SIGMA DELTA TAU SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1948.
Are donations to SIGMA DELTA TAU SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIGMA DELTA TAU SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA DELTA TAU SOCIETY 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 DELTA TAU SOCIETY 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 DELTA TAU SOCIETY?
The 990-N for 2025 names Kathleen Corddry.

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