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Nonprofit · EIN 20-2092058

MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC

Tax-exempt (reinstated) · TUCSON, AZ 85710

Address and contacts

Address (IRS master file)
850 N KOLB RD, TUCSON, AZ 85710-1333
In care of
% TIM SIEMSEN
Mailing address (990-N for 2015)
850 N Kolb Road, Tucson AZ 85710
Principal officer (990-N for 2015)
George Nash, 3182 N Swan Road, Tucson AZ 85712

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, 2026Not on file
2024December 31, 2024May 15, 2025Not on file
2023December 31, 2023May 15, 2024Not on file

At risk of automatic revocation

None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.

File the 2025 990-N for MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
20-2092058
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
2026
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2019
Posted by the IRS
August 12, 2019
Reinstated
Effective June 15, 2026

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 2015
Officer: George Nash
December 31, 2015≤ $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 20-2092058).

Questions about MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC

What is the EIN of MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC?
The employer identification number (EIN) of MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC is 20-2092058.
Is MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2019 and reinstated it effective June 15, 2026.
Are donations to MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2015 for the year ended December 31, 2015.
Who is the principal officer of MEDICAL RESERVE CORPS OF SOUTHERN A RIZONA INC?
The 990-N for 2015 names George Nash.

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