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Index/Topics/501(c) Laws and Donor Disclosure

501(c) Laws and Donor Disclosure

The laws surrounding 501(c) organizations and the disclosure of donors.

Fact-Checks

4 results
Feb 6, 2026

What are the rules and limits for disclosure of donors to super PACs versus dark‑money nonprofits, and how do watchdogs track indirect funding?

must file regular disclosures with the that identify donors and amounts, but those disclosures can stop at the name of an intermediary—allowing nonprofits and shell companies to obscure the ultimate s...

Jan 31, 2026

How can journalists identify major donors to nonprofits when Form 990s redact contributor names?

face a legal wall: most nonprofits still must report substantial donors to the on Schedule B, but the names and addresses are excluded from public disclosure and many filers no longer submit donor ide...

Jan 30, 2026

How do IRS rules for 501(c)(4) disclosure create gaps that researchers use when tracking dark‑money flows?

’s treatment of “social welfare” groups leaves deliberate gaps: donor names on Schedule B were once collected but later exempted from public disclosure, the agency requires that political spending not...

Jan 24, 2026

How do fiscal-sponsorship nonprofits like Sixteen Thirty Fund regrant money and what transparency rules govern them?

such as act as umbrella organizations that contract, incubate, and pay for projects while serving as the legal home for those initiatives; they receive donations and then regrant or spend those funds ...

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