Question 1

Is SIG-NAL a tax-exempt 501(c)(3)?

Accepted Answer

Yes — SIG-NAL is recognised by the IRS as a 501(c)(3) organisation (EIN 45-4219184). The IRS recognised SIG-NAL as tax-exempt in January 2014.

Question 2

What is SIG-NAL's EIN?

Accepted Answer

SIG-NAL's Employer Identification Number (EIN) is 45-4219184. The EIN was assigned by the IRS in January 2014. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does SIG-NAL do?

Accepted Answer

SIG-NAL is a non-profit organization with a mission to develop and apply the scientific foundation needed to link economic and environmental interests by accounting for the full value of natural assets. (continued at top of next page)

Question 4

Where is SIG-NAL located?

Accepted Answer

SIG-NAL is located at 2529 Yolanda Court, Pleasanton, CA, 94566.

Question 5

When was SIG-NAL founded or recognised by the IRS?

Accepted Answer

SIG-NAL was recognised by the IRS as a tax-exempt organisation in January 2014. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is SIG-NAL's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), SIG-NAL reported $1.9M in total revenue and $3.1M in total expenses.

Question 7

Has SIG-NAL been auto-revoked by the IRS?

Accepted Answer

No — SIG-NAL (EIN 45-4219184) 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 SIG-NAL listed in IRS Publication 78?

Accepted Answer

Yes — SIG-NAL 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.

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SIG-NAL

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