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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 01-0627924

CHLAMYDIA BASIC RESEARCH SOCIETY

Tax-exempt · IRVINE, CA 92617

Financials

$152K$124K2025
Revenue Expenses · by fiscal year end
Financials of CHLAMYDIA BASIC RESEARCH SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$152,471$124,459$28,012$155,681$0$155,681
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$47,279
Program service revenue
$105,192
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$11,175
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$450
Program services (functional)
$123,645
Management and general (functional)
$814

Balance sheet and other

Total assets, start of year
$127,669
Total assets, end of year
$155,681
Total liabilities, end of year
$0
Net assets, end of year
$155,681
Net assets without donor restrictions
$155,681
Gross receipts
$152,471
Employees
0

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, 2025, highest compensation first.

NameTitleHours / weekCompensation
ISABELLE DERRE PHDPRESIDENT EL
Trustee or director, Officer
–$0
KEN FIELDS PHDPRESIDENT
Trustee or director, Officer
–$0
CHRISTINE SUETTERLINSECRETARY/TR
Trustee or director, Officer
–$0

Address and contacts

Address (IRS master file)
22 UREY CT, IRVINE, CA 92617-4077
In care of
% ISABELLE DERRE
Mailing address (990-N for 2016)
PO Box 100188, Gainesville FL 32610
Principal officer (990 for 2025)
CHRISTINE SUETTERLIN, UNIVERSITY OF CALIFORNIA, IRVINE, CA 926972300
Principal officer (990-N for 2016)
Anthony Maurelli, PO Box 100188, Gainesville FL 32610
Signed the 990
CHRISTINE SUETTERLIN, SECRETARY/TREASURER
Phone
(949) 824-1844
Return prepared by
ROBINSON FARMER COX ASSOCIATES

Mission

ORGANIZE BIENNIAL CONFERENCE OF CHLAMYDIA RESEARCHERS

990 for the year ended December 31, 2025

Program accomplishments

  • TO ORGANIZE BIENNIAL MEETING OF CHLAMYDIA BASIC RESEARCH SOCIETY
    Expenses $123,645 · grants $11,175 · revenue $191,526

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

File the 2026 990-EZ for CHLAMYDIA BASIC RESEARCH SOCIETY

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

IRS record

EIN
01-0627924
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
2003
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$155,681
Income (IRS master file)
$152,471

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025–––IRS
990December 2024–––IRS
990December 2023$188,716$166,502$86,406IRS
990December 2022$172$1,236$64,192IRS
990December 2021–––IRS
990December 2019–––IRS
990-N for 2016
Officer: Anthony Maurelli
December 31, 2016≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about CHLAMYDIA BASIC RESEARCH SOCIETY

What is the EIN of CHLAMYDIA BASIC RESEARCH SOCIETY?
The employer identification number (EIN) of CHLAMYDIA BASIC RESEARCH SOCIETY is 01-0627924.
Is CHLAMYDIA BASIC RESEARCH SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
Are donations to CHLAMYDIA BASIC RESEARCH SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CHLAMYDIA BASIC RESEARCH SOCIETY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of CHLAMYDIA BASIC RESEARCH SOCIETY 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 CHLAMYDIA BASIC RESEARCH SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of CHLAMYDIA BASIC RESEARCH SOCIETY?
The 990 for the year ended December 31, 2025 names CHRISTINE SUETTERLIN.
Who are the officers and directors of CHLAMYDIA BASIC RESEARCH SOCIETY?
The 990 for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does CHLAMYDIA BASIC RESEARCH SOCIETY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $152,471, expenses of $124,459 and total assets of $155,681 at year end.

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