Question 1

Is Source Evaluation Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Source Evaluation Society is recognised by the IRS as a 501(c)(6) organisation (EIN 56-1874630). The IRS recognised Source Evaluation Society as tax-exempt in June 1995.

Question 2

What is Source Evaluation Society's EIN?

Accepted Answer

Source Evaluation Society's Employer Identification Number (EIN) is 56-1874630. The EIN was assigned by the IRS in June 1995. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Source Evaluation Society do?

Accepted Answer

The mission of the society is to assist in the education, knowledge growth and professional development of its members and others related to air pollution measurements including Source emissions Evaluation, measurements, analysis, characterization, monitoring and control, for…

Question 4

Where is Source Evaluation Society located?

Accepted Answer

Source Evaluation Society is located at PO BOX 12124, Research Triangle Park, NC, 27709.

Question 5

When was Source Evaluation Society founded or recognised by the IRS?

Accepted Answer

Source Evaluation Society was recognised by the IRS as a tax-exempt organisation in June 1995. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Source Evaluation Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Source Evaluation Society reported $699K in total revenue and $553K in total expenses.

Question 7

Has Source Evaluation Society been auto-revoked by the IRS?

Accepted Answer

No — Source Evaluation Society (EIN 56-1874630) 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.

Question 8

Is Source Evaluation Society listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Source Evaluation Society in the most recent IRS Publication 78 download. Some tax-exempt organisations (e.g., churches and government instrumentalities) are eligible to receive deductible contributions without appearing in Pub 78 — verify directly with the IRS if uncertain.

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Source Evaluation Society

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