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Nonprofit · EIN 47-2490986

INTERNATIONAL ORNITHOLOGISTS UNION

Tax-exempt (reinstated) · NORMAN, OK 73019

Address and contacts

Address (IRS master file)
111 E CHESAPEAKE ST, NORMAN, OK 73019-5116
In care of
% DAVID L WILLIAMS
Mailing address (990-N for 2025)
111 E Chesapeake St, Norman OK 73019

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 INTERNATIONAL ORNITHOLOGISTS UNION

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

IRS record

EIN
47-2490986
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
2015
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Social science (V03)

Revocation and reinstatement

Exemption revoked
May 15, 2012
Posted by the IRS
February 21, 2015
Reinstated
Effective January 15, 2015

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Eli Bridge
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Eli Bridge
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Eli Bridge
December 31, 2022≤ $50,000 receipts––e-Postcard
990-EZDecember 2021–––IRS
990-N for 2019
Officer: Dominique Homberger
December 31, 2019≤ $50,000 receipts––e-Postcard
990-EZDecember 2018–––IRS

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 47-2490986).

Questions about INTERNATIONAL ORNITHOLOGISTS UNION

What is the EIN of INTERNATIONAL ORNITHOLOGISTS UNION?
The employer identification number (EIN) of INTERNATIONAL ORNITHOLOGISTS UNION is 47-2490986.
Is INTERNATIONAL ORNITHOLOGISTS UNION tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2012 and reinstated it effective January 15, 2015.
Are donations to INTERNATIONAL ORNITHOLOGISTS UNION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL ORNITHOLOGISTS UNION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL ORNITHOLOGISTS UNION 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 INTERNATIONAL ORNITHOLOGISTS UNION 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.

Other nonprofits in NORMAN

All nonprofits in NORMAN · Oklahoma · Social science