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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 23-2958381

INTERNATIONAL SOCIETY OF NEUROVIROLOGY

Tax-exempt · PHILADELPHIA, PA 19140

Financials

$134K$139K2023$20K$26K2024
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL SOCIETY OF NEUROVIROLOGY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$20,158$26,352-$6,194$15,204$11,425$3,779
December 31, 2023990$133,672$139,006-$5,334$22,393$12,420$9,973
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$3,465
Membership dues
$3,465
Program service revenue
$16,693
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$747
Occupancy
$1,673
Program services (functional)
$1,673
Management and general (functional)
$24,679

Balance sheet and other

Total assets, start of year
$22,393
Total assets, end of year
$15,204
Total liabilities, end of year
$11,425
Net assets, end of year
$3,779
Gross receipts
$20,158
Employees
0
Year formed
1998
State of legal domicile
PA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
WALTER ROYALPRESIDENT
Officer
1$0
DIANNE LANGFORDVICE PRESIDENT
Officer
1$0
BRIAN WIGDAHLTREASURER
Officer
1$0
MARIA NAGELSECRETARY
Officer
1$0
990 for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
BRIAN WIGDAHLTREASURER
Officer
1$0
VALERIE WOJNASECRETARY
Officer
1$0
WALTER ROYALVICE PRESIDENT
Officer
1$0
BRUCE BREWPRESIDENT
Officer
1$0

Address and contacts

Address (IRS master file)
3500 N BROAD ST RM 740 MERB, PHILADELPHIA, PA 19140-4106
In care of
% BRIAN WIGDAHL
Signed the 990
BRIAN WIGDAHL, TREASURER
Phone
(215) 204-0680
Return prepared by
WILLIAMS GROUP ADVISORS PC

Mission

FURTHER RESEARCH IN THE FIELD OF NEUROVIROLOGY

990 for the year ended December 31, 2024

Program accomplishments

  • MEETING FOR MEMBERSHIP TO DISCUSS SCIENTIFIC DEVELOPMENTS
    Expenses $1,673 · revenue $20,158

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, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

File the 2025 990-N for INTERNATIONAL SOCIETY OF NEUROVIROLOGY

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

IRS record

EIN
23-2958381
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1998
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$15,204
Income (IRS master file)
$20,158

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$20,158$26,352$15,204XML
990December 2023$133,672$139,006$22,393XML
990December 2022$30,105$32,504$27,132IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS
990December 2017–––IRS

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 23-2958381).

Questions about INTERNATIONAL SOCIETY OF NEUROVIROLOGY

What is the EIN of INTERNATIONAL SOCIETY OF NEUROVIROLOGY?
The employer identification number (EIN) of INTERNATIONAL SOCIETY OF NEUROVIROLOGY is 23-2958381.
Is INTERNATIONAL SOCIETY OF NEUROVIROLOGY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1998.
Are donations to INTERNATIONAL SOCIETY OF NEUROVIROLOGY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does INTERNATIONAL SOCIETY OF NEUROVIROLOGY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL SOCIETY OF NEUROVIROLOGY 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 INTERNATIONAL SOCIETY OF NEUROVIROLOGY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who are the officers and directors of INTERNATIONAL SOCIETY OF NEUROVIROLOGY?
The 990 for the year ended December 31, 2024 lists 4 people; 0 received compensation from the organization.
How much revenue does INTERNATIONAL SOCIETY OF NEUROVIROLOGY have?
On its 990 for the year ended December 31, 2024 it reported revenue of $20,158, expenses of $26,352 and total assets of $15,204 at year end.

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