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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 31-1373622

POSEIDON HANDICAP SCUBA ADVENTURES

Tax-exempt · CANTON, MI 48187

Address and contacts

Address (IRS master file)
954 HOLBROOKE DR, CANTON, MI 48187-5904
In care of
% MARK RAUSCH
Mailing address (990-N for 2025)
954 Holbrooke Drive, Canton MI 48187
Principal officer (990-N for 2025)
Mark Richard Rausch, 954 Holbrooke Drive, CANTON MI 48187

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for POSEIDON HANDICAP SCUBA ADVENTURES

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

IRS record

EIN
31-1373622
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
1994
Accounting year ends
May
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B28Z)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Mark Richard Rausch
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: MARK RICHARD RAUSCH
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK RICHARD RAUSCH
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: MARK RICHARD RAUSCH
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Mark Richard Rausch
May 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mark Richard Rausch
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Mark Richard Rausch
May 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Mark Richard Rausch
May 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 31-1373622).

Questions about POSEIDON HANDICAP SCUBA ADVENTURES

What is the EIN of POSEIDON HANDICAP SCUBA ADVENTURES?
The employer identification number (EIN) of POSEIDON HANDICAP SCUBA ADVENTURES is 31-1373622.
Is POSEIDON HANDICAP SCUBA ADVENTURES tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to POSEIDON HANDICAP SCUBA ADVENTURES tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does POSEIDON HANDICAP SCUBA ADVENTURES file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of POSEIDON HANDICAP SCUBA ADVENTURES due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did POSEIDON HANDICAP SCUBA ADVENTURES last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of POSEIDON HANDICAP SCUBA ADVENTURES?
The 990-N for 2025 names Mark Richard Rausch.

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