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Nonprofit · EIN 20-2203572

CLARKSVILLE HISTORICAL SOCIETY

Tax-exempt · CLARKSVILLE, NY 12041

Address and contacts

Address (IRS master file)
PO BOX 91, CLARKSVILLE, NY 12041-0091
Mailing address (990-N for 2025)
PO Box 91, Clarksville NY 12041
Principal officer (990-N for 2025)
Marilyn Miles, PO Box 76, Clarksville NY 12041

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

IRS record

EIN
20-2203572
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2005
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Marilyn Miles
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Marilyn Miles
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Marilyn Miles
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Marilyn Miles
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Susan Dee
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Marilyn Miles
May 31, 2020≤ $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 20-2203572).

Questions about CLARKSVILLE HISTORICAL SOCIETY

What is the EIN of CLARKSVILLE HISTORICAL SOCIETY?
The employer identification number (EIN) of CLARKSVILLE HISTORICAL SOCIETY is 20-2203572.
Is CLARKSVILLE HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
Are donations to CLARKSVILLE HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CLARKSVILLE HISTORICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CLARKSVILLE HISTORICAL SOCIETY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CLARKSVILLE HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of CLARKSVILLE HISTORICAL SOCIETY?
The 990-N for 2025 names Marilyn Miles.

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