Nonprofit · EIN 73-6097483
INSTITUTE OF INTERNAL AUDITORS
Also known as TULSA CHAPTER
Tax-exempt · TULSA, OK 74172
Address and contacts
- Address (IRS master file)
- ONE WILLIAMS CENTER 18TH FLOOR, TULSA, OK 74172-0140
- In care of
- % EMILY MARANG
- Mailing address (990-N for 2025)
- One Williams Center 18th Floor, Tulsa OK 74172
- Principal officer (990-N for 2025)
- Laura Hausner, One Williams Center 18th Floor, Tulsa OK 74172
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | May 31, 2026 | October 15, 2026 | 990-N on file |
| 2024 | May 31, 2025 | October 15, 2025 | 990-N on file |
| 2023 | May 31, 2024 | October 15, 2024 | 990-N on file |
IRS record
- EIN
- 73-6097483
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1992
- Accounting year ends
- May
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 8620: INSTITUTE OF INTERNAL AUDITORS
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Laura Hausner | May 31, 2026 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Leslie Clarke | May 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Jeanette Franco | May 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Taylor King | May 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Blair Kuehn-Smith | May 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Blair Kuehn-Smith | May 31, 2020 | ≤ $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 73-6097483).
Questions about INSTITUTE OF INTERNAL AUDITORS
- What is the EIN of INSTITUTE OF INTERNAL AUDITORS?
- The employer identification number (EIN) of INSTITUTE OF INTERNAL AUDITORS is 73-6097483.
- Is INSTITUTE OF INTERNAL AUDITORS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1992.
- Are donations to INSTITUTE OF INTERNAL AUDITORS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does INSTITUTE OF INTERNAL AUDITORS file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of INSTITUTE OF INTERNAL AUDITORS 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 INSTITUTE OF INTERNAL AUDITORS 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 INSTITUTE OF INTERNAL AUDITORS?
- The 990-N for 2025 names Laura Hausner.
Other nonprofits in TULSA
- SAINT FRANCIS HOSPITAL INC EIN 73-0700090 · last filed 990 for 2025
- ST JOHN MEDICAL CENTER INC EIN 73-0579286 · last filed 990 for 2025
- GEORGE KAISER FAMILY FOUNDATION EIN 73-1574370 · last filed 990 for 2024
- UNIVERSITY OF TULSA EIN 73-0579298 · last filed 990 for 2025
- TULSA COMMUNITY FOUNDATION EIN 73-1554474 · last filed 990 for 2024
- CHARLES AND LYNN SCHUSTERMAN FAMILY FOUNDATION EIN 73-1312965 · last filed 990-PF for 2024
- WARREN CLINIC INC EIN 73-1310891 · last filed 990 for 2025
- SAINT FRANCIS HOSPITAL SOUTH LLC EIN 01-0603214 · last filed 990 for 2025