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Nonprofit · EIN 84-3100790

BOOK SHACK

Tax-exempt · NAALEHU, HI 96772

Address and contacts

Address (IRS master file)
PO BOX 700, NAALEHU, HI 96772-0700
In care of
% DONNA AMBROSE
Mailing address (990-N for 2025)
PO Box 700, Naalehu HI 96772
Principal officer (990-N for 2025)
Donna Ambrose, PO Box 700, Naalehu HI 96772

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

IRS record

EIN
84-3100790
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
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B70)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Donna Ambrose
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Donna Ambrose
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Donna Ambrose
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Donna Ambrose
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: DONNA AMBROSE
December 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 84-3100790).

Questions about BOOK SHACK

What is the EIN of BOOK SHACK?
The employer identification number (EIN) of BOOK SHACK is 84-3100790.
Is BOOK SHACK tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to BOOK SHACK tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BOOK SHACK file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BOOK SHACK 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 BOOK SHACK 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 BOOK SHACK?
The 990-N for 2025 names Donna Ambrose.

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