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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-0465644

MUSEUM ASSOCIATION OF MONTANA

Also known as C-O L SOMMER MONTANA HISTOR SOCIETY

Tax-exempt · HELENA, MT 59624

Address and contacts

Address (IRS master file)
PO BOX 1541, HELENA, MT 59624-1541
Mailing address (990-N for 2025)
PO Box 1451, Helena MT 59624
Principal officer (990-N for 2025)
Kristi Scott, PO Box 1451, Helena MT 59624

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 MUSEUM ASSOCIATION OF MONTANA

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

IRS record

EIN
81-0465644
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
1992
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Kristi Scott
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Kathryn Barton
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Kathryn Barton
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Danielle Gamradt
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Danielle Gamradt
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Danielle Gamradt
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Danielle Gamradt
December 31, 2018≤ $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 81-0465644).

Questions about MUSEUM ASSOCIATION OF MONTANA

What is the EIN of MUSEUM ASSOCIATION OF MONTANA?
The employer identification number (EIN) of MUSEUM ASSOCIATION OF MONTANA is 81-0465644.
Is MUSEUM ASSOCIATION OF MONTANA tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1992.
Are donations to MUSEUM ASSOCIATION OF MONTANA tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MUSEUM ASSOCIATION OF MONTANA file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MUSEUM ASSOCIATION OF MONTANA 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 MUSEUM ASSOCIATION OF MONTANA 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 MUSEUM ASSOCIATION OF MONTANA?
The 990-N for 2025 names Kristi Scott.

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