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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 11-2713999

NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC

Tax-exempt · OCEANSIDE, NY 11572

Address and contacts

Address (IRS master file)
3160 SKILLMAN AVE, OCEANSIDE, NY 11572-4430
In care of
% TONI ANNE SUMMERS
Mailing address (990-N for 2025)
3160 Skillman Avenue, Oceanside NY 11572
Principal officer (990-N for 2025)
Tara Mauer, 3160 Skillman Avenue, Oceanside NY 11572

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

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027990-N on file
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

File the 2026 990-N for NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC

Due January 18, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
11-2713999
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
1985
Accounting year ends
August
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Tara Mauer
August 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Tara Mauer
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Toni Anne Summers
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Toni Anne Summers
August 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Toni Anne Summers
August 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 11-2713999).

Questions about NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC

What is the EIN of NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC?
The employer identification number (EIN) of NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC is 11-2713999.
Is NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1985.
Are donations to NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC due?
The return for tax year 2026 (the year ending August 31, 2027) is due January 18, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended August 31, 2026.
Who is the principal officer of NASSAU COUNTY ASSOCIATION OF MATHEMATICS SUPERVISORS INC?
The 990-N for 2025 names Tara Mauer.

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