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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-3507008

INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS

Tax-exempt · PRT WASHINGTN, NY 11050

Address and contacts

Address (IRS master file)
54B INWOOD RD, PRT WASHINGTN, NY 11050-1581
Mailing address (990-N for 2024)
54B Inwood Road, PORT WASHINGTON NY 11050
Principal officer (990-N for 2024)
Bolortsetseg Minjin, 54B Inwood Road, PORT WASHINGTON NY 11050

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 yearYear endedDueIRS public records
2025October 31, 2026March 15, 2027Not due yet
2024October 31, 2025March 16, 2026990-N on file
2023October 31, 2024March 17, 2025990-N on file

File the 2025 990-N for INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS

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

IRS record

EIN
81-3507008
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
2016
Accounting year ends
October
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Bolortsetseg Minjin
October 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Bolortsetseg Minjin
October 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Bolortsetseg Minjin
October 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Bolortsetseg Minjin
October 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Bolortsetseg Minjin
October 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Bolortsetseg Minjin
October 31, 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 81-3507008).

Questions about INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS

What is the EIN of INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS?
The employer identification number (EIN) of INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS is 81-3507008.
Is INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
Are donations to INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS 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 INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS 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 INSTITUTE FOR THE STUDY OF MONGOLIAN DINOSAURS?
The 990-N for 2024 names Bolortsetseg Minjin.

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