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Nonprofit · EIN 31-1813143

UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION

Tax-exempt · UNIVERSITY, MS 38677

Address and contacts

Address (IRS master file)
PO BOX 1848, UNIVERSITY, MS 38677-1848
In care of
% UNIVERSITY OF MISSISSIPPI

What it must file and when

IRS records say it files Not required (state instrumentality). Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025Not on file
2023June 30, 2024November 15, 2024Not on file

IRS record

EIN
31-1813143
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible (Pub 78)
Supporting organization of unknown type
Exempt since
2002
Accounting year ends
June
Files
Not required (state instrumentality)

Filing history

No e-filed return or e-Postcard in the IRS public files.

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 31-1813143).

Questions about UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION

What is the EIN of UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION?
The employer identification number (EIN) of UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION is 31-1813143.
Is UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
Which annual return does UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION file?
Form Not required (state instrumentality).
When is the next return of UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did UNIVERSITY OF MISSISSIPPI RESEARCH FOUNDATION last file with the IRS?
There is no e-filed return or e-Postcard for it in the IRS public files.

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