Nonprofit · EIN 93-0800177
SIGMA THELA TAU INTERNATIONAL
Also known as 101 DELTA ETA CHAPTER
Tax-exempt · LAFAYETTE, LA 70504
Address and contacts
- Address (IRS master file)
- PO BOX 43662, LAFAYETTE, LA 70504-0001
- Mailing address (990-N for 2025)
- PO Box 43662, Lafayette LA 70504
- Principal officer (990-N for 2025)
- Katherine Ardoin, 206 Antigua Dr, Lafayette LA 70503
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | 990-N on file |
| 2024 | June 30, 2025 | November 17, 2025 | 990-N on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-N on file |
IRS record
- EIN
- 93-0800177
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Exempt since
- 1954
- Accounting year ends
- June
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Education (B832)
- Group exemption
- 1288: SIGMA THETA TAU INTERNATIONAL INC
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Katherine Ardoin | June 30, 2026 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Katherine Ardoin | June 30, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Katherine Ardoin | June 30, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Katherine Ardoin | June 30, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Katherine Ardoin | June 30, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Katherine Ardoin | June 30, 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 93-0800177).
Questions about SIGMA THELA TAU INTERNATIONAL
- What is the EIN of SIGMA THELA TAU INTERNATIONAL?
- The employer identification number (EIN) of SIGMA THELA TAU INTERNATIONAL is 93-0800177.
- Is SIGMA THELA TAU INTERNATIONAL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1954.
- Which annual return does SIGMA THELA TAU INTERNATIONAL file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of SIGMA THELA TAU INTERNATIONAL due?
- The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SIGMA THELA TAU INTERNATIONAL last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
- Who is the principal officer of SIGMA THELA TAU INTERNATIONAL?
- The 990-N for 2025 names Katherine Ardoin.
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