Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 38-2371781

CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS

Tax-exempt (reinstated) · GRAND RAPIDS, MI 49546

Address and contacts

Address (IRS master file)
3201 BURTON ST SE, GRAND RAPIDS, MI 49546-4301
In care of
% DAVID WHITFORD
Mailing address (990-N for 2025)
3201 Burton Street SE, Grand Rapids MI 49546
Principal officer (990-N for 2025)
Kenneth Woo, 616 N Highland Ave, Pittsburgh PA 15206

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, 2024Check at the IRS

File the 2026 990-N for CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS

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

IRS record

EIN
38-2371781
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
2024
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B03)

Revocation and reinstatement

Exemption revoked
May 15, 2024
Posted by the IRS
August 12, 2024
Reinstated
Effective May 15, 2024

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: Kenneth Woo
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Kenneth Woo
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2020December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: David Mark Whitford
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 38-2371781).

Questions about CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS

What is the EIN of CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS?
The employer identification number (EIN) of CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS is 38-2371781.
Is CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2024 and reinstated it effective May 15, 2024.
Are donations to CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS 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 CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS 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 CALVIN STUDIES SOCIETY STUDIORUM CALVINI SOCIETAS?
The 990-N for 2025 names Kenneth Woo.

Other nonprofits in GRAND RAPIDS

All nonprofits in GRAND RAPIDS · Michigan · Education