- Is International Society of Systems Sciences a tax-exempt 501(c)(3)?
- Yes. International Society of Systems Sciences is recognised by the IRS as a 501(c)(3) organisation (EIN 91-1973431). The IRS recognised International Society of Systems Sciences as tax-exempt in December 1999.
- What is International Society of Systems Sciences's EIN?
- International Society of Systems Sciences's Employer Identification Number (EIN) is 91-1973431. The EIN was assigned by the IRS in December 1999. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does International Society of Systems Sciences do?
- Educational: the ISSS provides membership benefits in the form of Systems education publications and annual meetings for its membership and other interested researchers. We host educational learning sessions online throughout the year so researchers can meet and share their…
- Where is International Society of Systems Sciences located?
- International Society of Systems Sciences is located at 1408 1/2 Central Avenue, Ashland, KY, 41101.
- When was International Society of Systems Sciences founded or recognised by the IRS?
- International Society of Systems Sciences was recognised by the IRS as a tax-exempt organisation in December 1999. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is International Society of Systems Sciences's annual revenue?
- On its most recent Form 990 (fiscal year 2025), International Society of Systems Sciences reported $58K in total revenue and $47K in total expenses.
- Has International Society of Systems Sciences been auto-revoked by the IRS?
- No. International Society of Systems Sciences (EIN 91-1973431) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is International Society of Systems Sciences listed in IRS Publication 78?
- Yes. International Society of Systems Sciences is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.
