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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 61-6050711

AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS

Tax-exempt · WASHINGTON, DC 20015

Address and contacts

Address (IRS master file)
3146 PATTERSON ST NW, WASHINGTON, DC 20015-1659
In care of
% ALLEN SHIMADA
Mailing address (990-N for 2025)
3146 Patterson Street NW, Washington DC 20015
Principal officer (990-N for 2025)
Lee Benaka, 3146 Patterson Street NW, Washington DC 20015
Website
AIFRB.ORG

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

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027990-N on file
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

File the 2026 990-N for AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS

Due January 18, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
61-6050711
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
2001
Accounting year ends
August
Files
Form 990-N (e-Postcard)
Category (NTEE)
Animal-related (D05)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Lee Benaka
August 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Allen Masaru Shimada
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Allen Masaru Shimada
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Sean Lucey
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Sean Lucey
August 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Catherine O'Keefe
August 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 61-6050711).

Questions about AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS

What is the EIN of AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS?
The employer identification number (EIN) of AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS is 61-6050711.
Is AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS due?
The return for tax year 2026 (the year ending August 31, 2027) is due January 18, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended August 31, 2026.
Who is the principal officer of AMERICAN INSTITUTE OF FISHERY RESEARCH BIOLOGISTS?
The 990-N for 2025 names Lee Benaka.

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