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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 52-2304861

NATIONAL KATYN MEMORIAL FOUNDATION INC

Tax-exempt · BALTIMORE, MD 21224

Address and contacts

Address (IRS master file)
PO BOX 25720, BALTIMORE, MD 21224-0420
In care of
% RICHARD P POREMSKI
Mailing address (990-N for 2025)
PO Box 25720, Baltimore MD 21224
Principal officer (990-N for 2025)
Richard Poremski, 400 Gusryan Street, Baltimore MD 21224

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 NATIONAL KATYN MEMORIAL FOUNDATION INC

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

IRS record

EIN
52-2304861
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
2001
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Richard Poremski
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Richard Poremski
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Darek Bogacki
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Darek Bogacki
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Darek Bogacki
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Darek Bogacki
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Dariusz Bogacki
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 52-2304861).

Questions about NATIONAL KATYN MEMORIAL FOUNDATION INC

What is the EIN of NATIONAL KATYN MEMORIAL FOUNDATION INC?
The employer identification number (EIN) of NATIONAL KATYN MEMORIAL FOUNDATION INC is 52-2304861.
Is NATIONAL KATYN MEMORIAL FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to NATIONAL KATYN MEMORIAL FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NATIONAL KATYN MEMORIAL FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of NATIONAL KATYN MEMORIAL FOUNDATION INC 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 NATIONAL KATYN MEMORIAL FOUNDATION INC 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 NATIONAL KATYN MEMORIAL FOUNDATION INC?
The 990-N for 2025 names Richard Poremski.

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