Nonprofit · EIN 84-2189268
SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP
Tax-exempt · BOULDER, CO 80303
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $98,308 | $154,237 | -$55,929 | $319,065 | – | $319,065 |
| December 31, 2024 | 990-EZ | $111,685 | $118,241 | -$6,556 | $374,994 | – | $374,994 |
| December 31, 2023 | 990-EZ | $100,280 | $110,138 | -$9,858 | $381,550 | – | $381,550 |
| December 31, 2022 | 990-EZ | $121,352 | $148,189 | -$26,837 | $391,408 | – | $391,408 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Membership dues
- $93,404
- Investment income
- $4,904
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $1,072
- Other expenses
- $153,165
- Program services (functional)
- $115,808
Balance sheet and other
- Total assets, start of year
- $374,994
- Total assets, end of year
- $319,065
- Total liabilities, end of year
- –
- Net assets, end of year
- $319,065
- Cash, savings and investments
- $319,065
- Gross receipts
- $98,308
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ODELE CODDINGTON | SECRETARY | 5 | $0 |
| KAZUO SHIOKAWA | PRESIDENT | 5 | $0 |
| BERND FUNKE | VICE PRESIDE | 5 | $0 |
990-EZ for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR KAZUO SHIOKAWA | President | 5 | $0 |
| DR BERND FUNKE | Vice President | 5 | $0 |
| DR KEITH GROVES | Treasurer | 5 | $0 |
990-EZ for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR KAZUO SHIOKAWA | President | 5 | $0 |
| DR BERND FUNKE | Vice President | 5 | $0 |
| DR KEITH GROVES | Treasurer | 5 | $0 |
990-EZ for the year ended December 31, 2022: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DR KAZUO SHIOKAWA | President | 5 | $0 |
| DR DANIEL MARSH | Vice President | 5 | $0 |
| KEITH GROVES | Treasurer | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 3665 DISCOVERY DR, BOULDER, CO 80303-7819
- In care of
- % ODELE M CODDINGTON
- Signed the 990-EZ
- ODELE CODDINGTON, SECRETARY
- Phone
- (720) 214-0801
- Website
- SCOSTEP.ORG
- Return prepared by
- BOULDER CPA GROUP
Mission
TO STRENGTHEN INTERNATIONAL SCIENCE FOR THE BENEFIT OF SOCIETY. SCOSTEP RUNS INTERNATIONAL INTERDISCIPLINARY SCIENTIFIC PROGRAMS AND PROMOTES SOLAR-TERRESTRIAL PHYSICS RESEARCH BY PROVIDING THE NECESSARY SCIENTIFIC FRAMEWORK FOR INTERNATIONAL COLLABORATION AND DISSEMINATION OF THE DERIVED SCIENTIFIC KNOWLEDGE IN COLLABORATION WITH OTHER INTERNATIONAL SCIENCE COUNCIL BODIES. SCOSTEP IS A PERMANENT OBSERVER AT THE UNITED NATIONS COMMITTEE ON THE PEACEFUL USES OF OUTER SPACE (UNCOPUOS).
Program accomplishments
- CAPACITY BUILDING - UNDER CAPACITY BUILDING, SCOSTEP DISSEMINATES KNOWLEDGE GAINED FROM SOLAR TERRESTRIAL RESEARCH TO THE PUBLIC AND STUDENTS USING SPACE SCIENCE COMIC BOOKS, SCOSTEP NEWSLETTERS, AND OTHER MEDIA. SCOSTEP HAS PARTNERED WITH OTHER INTERNATIONAL BODIES SUCH AS THE INTERNATIONAL SPACE WEATHER INITIATIVE (ISWI) AND COSPAR TO TRAIN UNIVERSITY STUDENTS TO BECOME NEXT GENERATION SCIENTISTS VIA INTERNATIONAL SPACE SCIENCE SCHOOLS AND WORKSHOPS CONSISTING OF LECTURES AND HANDS-ON ACTIVITIES. SCOSTEP PROVIDES SUPPORT FOR ORGANIZING SCHOOLS FOR CAPACITY BUILDING OF STUDENTS AND YOUNG SCIENTISTS IN SOLAR-TERRESTRIAL PHYSICS VIA CAPACITY BUILDING GRANTS. SCOSTEP ALSO CONDUCTS TIMELY INTERNATIONAL SYMPOSIA IN VARIOUS PARTS OF THE WORLD, INCLUDING THE QUADRENNIAL SOLAR TERRESTRIAL PHYSICS (STP) SYMPOSIA SINCE 1966. SCOSTEP IS FURTHER HOLDING ONLINE LECTURES FOR CAPACITY BUILDING OF STUDENTS AND YOUNG SCIENTISTS. THESE ONLINE LECTURES WILL PROVIDE BOTH BASIC BACKGROUND AND AN INTRODUCTION TO THE LATEST SCIENTIFIC TOPICS OF SOLAR-TERRESTRIAL PHYSICS TO STUDENTS AND YOUNG SCIENTISTS OF ALL COUNTRIES. SEE THE LINK CAPACITY BUILDING LECTURES FOR MORE INFORMATION. SCIENTIFIC PROGRAMS - SCOSTEP HAS BEEN RUNNING LONG-TERM INTERNATIONAL INTERDISCIPLINARY SCIENTIFIC PROGRAMS IN SOLAR-TERRESTRIAL PHYSICS SINCE 1966. THE CURRENT PROGRAM IS COURSE (CROSS-SCALE COUPLING PROCESSES IN THE SOLAR-TERRESTRIAL SYSTEM) IS THE 2026-2030 SCIENCE PROGRAM FOR SCOSTEP. THE PREVIOUS PROGRAM, PRESTO (PREDICTABILITY OF THE VARIABLE SOLAR-TERRESTRIAL COUPLING) RAN FROM 2021 TO 2025 AND DESIGNED TO IMPROVE THE PREDICTABILITY OF ENERGY FLOW IN THE INTEGRATED SUN-EARTH SYSTEM ON TIMES SCALES FROM A FEW HOURS TO CENTURIES THROUGH PROMOTING INTERNATIONAL COLLABORATIVE EFFORTS. SCOSTEP VISITING SCHOLAR (SVS) - TO PROVIDE TRAINING TO GRADUATE STUDENTS FROM ALL COUNTRIES IN ESTABLISHED LABORATORIES OF SOLAR-TERRESTRIAL PHYSICS FOR PERIODS OF 1 TO 3 MONTHS. SCOSTEP WILL PROVIDE THE AIRFARE, WHILE THE HOSTING LAB WILL PROVIDE LIVING EXPENSES (LODGING, MEALS, GROUND TRANSPORTATION, VISA FEES AND OTHER INCIDENTALS). IN 2025, SCOSTEP AWARDED 21 SVS GRANTS. WHILE THE MAJORITY OF THE SVS TRAVEL OCCURRED IN 2025, A HANDFUL ARE E JUST BEING SCHEDULED NOW IN SPRING 2026.Expenses $115,808
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 84-2189268
- 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
- 2020
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U03)
- Assets (IRS master file)
- $319,065
- Income (IRS master file)
- $98,308
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $98,308 | $154,237 | $319,065 | IRS |
| 990-EZ | December 2024 | $111,685 | $118,241 | $374,994 | XML |
| 990-EZ | December 2023 | $100,280 | $110,138 | $381,550 | XML |
| 990-EZ | December 2022 | $121,352 | $148,189 | $391,408 | XML |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | 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 84-2189268).
Questions about SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP
- What is the EIN of SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP?
- The employer identification number (EIN) of SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP is 84-2189268.
- Is SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP 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 SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP 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 SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does SCIENTIFIC COMMITTEE ON SOLAR-TERRESTRIAL PHYSICS SCOSTEP have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $98,308, expenses of $154,237 and total assets of $319,065 at year end.
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