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Nonprofit · EIN 51-0173800

CHI OMEGA FRATERNITY

Also known as TULSA OKLAHOMA ALUMNI CHAPTER

Tax-exempt · TULSA, OK 74114

Address and contacts

Address (IRS master file)
2555 E 23RD ST, TULSA, OK 74114-3101
In care of
% JENNIFER A COOPER
Mailing address (990-N for 2025)
2555 E 23rd St, Tulsa OK 74114
Principal officer (990-N for 2025)
Laurie Brumbaugh, 2555 E 23rd St, Tulsa OK 74114

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

IRS record

EIN
51-0173800
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1940
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Laurie Brumbaugh
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Whitney Hearn
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Whitney Hearn
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Melissa Gunther
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Beth Peters
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Sara Gomendi
May 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Sara Gomendi
May 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 51-0173800).

Questions about CHI OMEGA FRATERNITY

What is the EIN of CHI OMEGA FRATERNITY?
The employer identification number (EIN) of CHI OMEGA FRATERNITY is 51-0173800.
Is CHI OMEGA FRATERNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
Are donations to CHI OMEGA FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does CHI OMEGA FRATERNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CHI OMEGA FRATERNITY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CHI OMEGA FRATERNITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of CHI OMEGA FRATERNITY?
The 990-N for 2025 names Laurie Brumbaugh.

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