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Nonprofit · EIN 84-3274007

PIERRIE WIBAUX MUSEUM

Also known as WIBAUX MUSEUM FOUNDATION

Tax-exempt · WIBAUX, MT 59353

Address and contacts

Address (IRS master file)
PO BOX 199, WIBAUX, MT 59353-0199
In care of
% SCHNEIDER
Mailing address (990-N for 2025)
PO BOX 199, WIBAUX MT 59353

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
84-3274007
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
2019
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2019June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018June 30, 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 84-3274007).

Questions about PIERRIE WIBAUX MUSEUM

What is the EIN of PIERRIE WIBAUX MUSEUM?
The employer identification number (EIN) of PIERRIE WIBAUX MUSEUM is 84-3274007.
Is PIERRIE WIBAUX MUSEUM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to PIERRIE WIBAUX MUSEUM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PIERRIE WIBAUX MUSEUM file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of PIERRIE WIBAUX MUSEUM due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PIERRIE WIBAUX MUSEUM last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.

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