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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 52-1276327

INSTITUTE FOR NEW WORLD ARCHAEOLOGY

Tax-exempt · OAK PARK, IL 60302

Address and contacts

Address (IRS master file)
229 S KENILWORTH AVE, OAK PARK, IL 60302-3115
Mailing address (990-N for 2024)
229 South Kenilworth Ave, Oak Park IL 60302
Principal officer (990-N for 2024)
Brian S Bauer, 229 South Kenilworth Ave, Oak Park IL 60302

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

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-N on file
2023November 30, 2024April 15, 2025990-N on file
2022November 30, 2023April 15, 2024990-N on file

File the 2025 990-N for INSTITUTE FOR NEW WORLD ARCHAEOLOGY

Due April 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
52-1276327
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1983
Accounting year ends
November
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Brian S Bauer
November 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Brian Bauer
November 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Brian Bauer
November 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Brian Bauer
November 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Brian S Bauer
November 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: BRIAN BAUER
November 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Brian Bauer
November 30, 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 52-1276327).

Questions about INSTITUTE FOR NEW WORLD ARCHAEOLOGY

What is the EIN of INSTITUTE FOR NEW WORLD ARCHAEOLOGY?
The employer identification number (EIN) of INSTITUTE FOR NEW WORLD ARCHAEOLOGY is 52-1276327.
Is INSTITUTE FOR NEW WORLD ARCHAEOLOGY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1983.
Are donations to INSTITUTE FOR NEW WORLD ARCHAEOLOGY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INSTITUTE FOR NEW WORLD ARCHAEOLOGY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INSTITUTE FOR NEW WORLD ARCHAEOLOGY due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INSTITUTE FOR NEW WORLD ARCHAEOLOGY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended November 30, 2025.
Who is the principal officer of INSTITUTE FOR NEW WORLD ARCHAEOLOGY?
The 990-N for 2024 names Brian S Bauer.

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