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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 66-0517603

SOCIEDAD ESPELEOLOGICA DE PUERTO RICO

Tax-exempt (reinstated) · SAN JUAN, PR 00936

Address and contacts

Address (IRS master file)
PO BOX 366894, SAN JUAN, PR 00936-6894
Mailing address (990-N for 2025)
PO Box 366894, San Juan Puerto Rico 00936, RQ
Principal officer (990-N for 2025)
Alison Plumey Diaz, PO BOX 366894, San Juan Puerto RIco 00936, RQ

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

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

File the 2026 990-N for SOCIEDAD ESPELEOLOGICA DE PUERTO RICO

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
66-0517603
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
2018
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C30)

Revocation and reinstatement

Exemption revoked
May 15, 2010
Posted by the IRS
July 21, 2018
Reinstated
Effective June 15, 2018

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Alison Plumey Diaz
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Alison Plumey
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Marie Montes
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Alison Plumey
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Juan O Rodriguez
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Marie Montes
December 31, 2018≤ $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 66-0517603).

Questions about SOCIEDAD ESPELEOLOGICA DE PUERTO RICO

What is the EIN of SOCIEDAD ESPELEOLOGICA DE PUERTO RICO?
The employer identification number (EIN) of SOCIEDAD ESPELEOLOGICA DE PUERTO RICO is 66-0517603.
Is SOCIEDAD ESPELEOLOGICA DE PUERTO RICO tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2010 and reinstated it effective June 15, 2018.
Are donations to SOCIEDAD ESPELEOLOGICA DE PUERTO RICO tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOCIEDAD ESPELEOLOGICA DE PUERTO RICO file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOCIEDAD ESPELEOLOGICA DE PUERTO RICO due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SOCIEDAD ESPELEOLOGICA DE PUERTO RICO last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of SOCIEDAD ESPELEOLOGICA DE PUERTO RICO?
The 990-N for 2025 names Alison Plumey Diaz.

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