Nonprofit · EIN 47-5474331
YALE MATH COMPETITION
Tax-exempt (reinstated) · NEW HAVEN, CT 06520
Address and contacts
- Address (IRS master file)
- PO BOX 205977, NEW HAVEN, CT 06520-5977
- In care of
- % KEVIN HU
- Mailing address (990-N for 2024)
- PO Box 205977, New Haven CT 06520
- Principal officer (990-N for 2024)
- Stephen Xia, PO Box 205977, New Haven CT 06520
- Website
- mmaths.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 October, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | October 31, 2026 | March 15, 2027 | Not due yet |
| 2024 | October 31, 2025 | March 16, 2026 | 990-N on file |
| 2023 | October 31, 2024 | March 17, 2025 | 990-N on file |
IRS record
- EIN
- 47-5474331
- 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
- 2022
- Accounting year ends
- October
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Education (B80)
Revocation and reinstatement
- Exemption revoked
- March 15, 2019
- Posted by the IRS
- August 12, 2019
- Reinstated
- Effective August 15, 2022
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2024 Officer: Stephen Xia | October 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Grant Zhang | October 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Jason Wang | October 31, 2023 | ≤ $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 47-5474331).
Questions about YALE MATH COMPETITION
- What is the EIN of YALE MATH COMPETITION?
- The employer identification number (EIN) of YALE MATH COMPETITION is 47-5474331.
- Is YALE MATH COMPETITION tax-exempt?
- Yes. The IRS revoked its exemption on March 15, 2019 and reinstated it effective August 15, 2022.
- Are donations to YALE MATH COMPETITION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does YALE MATH COMPETITION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of YALE MATH COMPETITION due?
- The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did YALE MATH COMPETITION last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2024 for the year ended October 31, 2025.
- Who is the principal officer of YALE MATH COMPETITION?
- The 990-N for 2024 names Stephen Xia.
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