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Nonprofit · EIN 99-3192876

INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK

Tax-exempt · CARY, NC 27519

Address and contacts

Address (IRS master file)
909 BLACKMAR ST, CARY, NC 27519-9417
In care of
% PETER G KRANZ
Mailing address (990-N for 2025)
909 Blackmar St, Cary NC 27519
Principal officer (990-N for 2025)
Peter Kranz, 909 Blackmar St, Cary NC 27519
Website
isscl.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 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, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
99-3192876
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
2024
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E03)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Peter Kranz
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Peter Kranz
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Peter George Kranz
June 30, 2024≤ $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 99-3192876).

Questions about INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK

What is the EIN of INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK?
The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK is 99-3192876.
Is INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of INTERNATIONAL SOCIETY FOR SPINAL CSF LEAK?
The 990-N for 2025 names Peter Kranz.

Other nonprofits in CARY

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