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Nonprofit · EIN 20-0333510

AUDITOR FOUNDATION

Tax-exempt · BUTTE, MT 59701

Address and contacts

Address (IRS master file)
3015 OTTAWA ST, BUTTE, MT 59701-6535
In care of
% HOLLY PETERSON
Mailing address (990-N for 2025)
3015 OTTAWA ST, BUTTE MT 59701
Principal officer (990-N for 2025)
Holly Peterson, 3015 Ottawa Street, Butte MT 59701

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, 2025No data
2023December 31, 2023May 15, 2024No data

IRS record

EIN
20-0333510
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
2004
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Holly Peterson
December 31, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about AUDITOR FOUNDATION

What is the EIN of AUDITOR FOUNDATION?
The employer identification number (EIN) of AUDITOR FOUNDATION is 20-0333510.
Is AUDITOR FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
Are donations to AUDITOR FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AUDITOR FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AUDITOR FOUNDATION 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 AUDITOR FOUNDATION 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 AUDITOR FOUNDATION?
The 990-N for 2025 names Holly Peterson.

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