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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 99-0216933

INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY

Tax-exempt · PIEDMONT, SD 57769

Address and contacts

Address (IRS master file)
PO BOX 102, PIEDMONT, SD 57769-0102
In care of
% PATRICK OSHEA
Mailing address (990-N for 2025)
PO Box 102, PIEDMONT SD 57769
Principal officer (990-N for 2025)
KATHY KENDRICK, PO BOX 102, PIEDMONT SD 57769

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 INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY

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

IRS record

EIN
99-0216933
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1984
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: KATHY KENDRICK
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Simon Rebsdorf
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Ben-Tzion Saloff
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Michael Wooten
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Michael Wooten
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Stephen Levin
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Stephen Levin
December 31, 2019≤ $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 99-0216933).

Questions about INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY

What is the EIN of INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY?
The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY is 99-0216933.
Is INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1984.
Are donations to INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY 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 INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY 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 INTERNATIONAL SOCIETY FOR PHILOSOPHICAL ENQUIRY?
The 990-N for 2025 names KATHY KENDRICK.

Other nonprofits in PIEDMONT

All nonprofits in PIEDMONT · South Dakota