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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 16-6028917

BUFFALO ORNITHOLOGICAL SOCIETY INC

Tax-exempt · BUFFALO, NY 14211

Address and contacts

Address (IRS master file)
1020 HUMBOLDT PKWY, BUFFALO, NY 14211-1208
In care of
% BUFFALO MUSEUM OF SCIENCE
Mailing address (990-N for 2024)
1020 Humboldt Parkway, Buffalo NY 14211
Principal officer (990-N for 2024)
Beverly Seyler, 4360 Williams Rd, Ransomville NY 14131

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

Tax yearYear endedDueIRS public records
2025October 31, 2026March 15, 2027Not due yet
2024October 31, 2025March 16, 2026990-N on file
2023October 31, 2024March 17, 2025990-N on file

File the 2025 990-N for BUFFALO ORNITHOLOGICAL SOCIETY INC

Due March 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
16-6028917
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Suspense
Donations deductible (Pub 78)
Charity of unknown status, 50% limit
Exempt since
1960
Accounting year ends
October
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Beverly Seyler
October 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Beverly Seyler
October 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: David Suggs
October 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: David Suggs
October 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: David Suggs
October 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: David Suggs
October 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: David Suggs
October 31, 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 16-6028917).

Questions about BUFFALO ORNITHOLOGICAL SOCIETY INC

What is the EIN of BUFFALO ORNITHOLOGICAL SOCIETY INC?
The employer identification number (EIN) of BUFFALO ORNITHOLOGICAL SOCIETY INC is 16-6028917.
Is BUFFALO ORNITHOLOGICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1960.
Are donations to BUFFALO ORNITHOLOGICAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Charity of unknown status, 50% limit).
Which annual return does BUFFALO ORNITHOLOGICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BUFFALO ORNITHOLOGICAL SOCIETY INC due?
The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did BUFFALO ORNITHOLOGICAL SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended October 31, 2025.
Who is the principal officer of BUFFALO ORNITHOLOGICAL SOCIETY INC?
The 990-N for 2024 names Beverly Seyler.

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