Nonprofit · EIN 01-0627924
CHLAMYDIA BASIC RESEARCH SOCIETY
Tax-exempt · IRVINE, CA 92617
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $152,471 | $124,459 | $28,012 | $155,681 | $0 | $155,681 |
| December 31, 2024 | 990 | $44,724 | $3,461 | $41,263 | $127,669 | $0 | $127,669 |
| December 31, 2023 | 990 | $188,716 | $166,502 | $22,214 | $86,406 | $0 | $86,406 |
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ISABELLE DERRE PHD | PRESIDENT EL Trustee or director, Officer | – | $0 |
| KEN FIELDS PHD | PRESIDENT Trustee or director, Officer | – | $0 |
| CHRISTINE SUETTERLIN | SECRETARY/TR Trustee or director, Officer | – | $0 |
990 for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ISABELLE DERRE PHD | PRESIDENT EL Trustee or director, Officer | 1 | $0 |
| KEN FIELDS PHD | PRESIDENT Trustee or director, Officer | 1 | $0 |
| CHRISTINE SUETTERLIN | SECRETARY/TR Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ISABELLE DERRE PHD | SECRETARY-TR Trustee or director, Officer | 1 | $0 |
| KEN FIELDS PHD | PRESIDENT EL Trustee or director, Officer | 1 | $0 |
| RAPHAEL H VALDIVIA PHD | PRESIDENT Trustee or director, Officer | 1 | $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
California records
California keeps its own records of charities and corporations. Search them by EIN 01-0627924 or by the name CHLAMYDIA BASIC RESEARCH SOCIETY.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
ORGANIZE BIENNIAL CONFERENCE OF CHLAMYDIA RESEARCHERS
Program accomplishments
- TO ORGANIZE BIENNIAL MEETING OF CHLAMYDIA BASIC RESEARCH SOCIETYExpenses $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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
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
- Category (NTEE)
- Science and technology (U99)
- Assets (IRS master file)
- $155,681
- Income (IRS master file)
- $152,471
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $152,471 | $124,459 | $155,681 | XML |
| 990 | December 2024 | $44,724 | $3,461 | $127,669 | IRS |
| 990 | December 2023 | $188,716 | $166,502 | $86,406 | XML |
| 990 | December 2022 | $172 | $1,236 | $64,192 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990-N for 2016 Officer: Anthony Maurelli | December 31, 2016 | ≤ $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 01-0627924).
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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