Nonprofit Watch: Week of April 27, 2026 — Treasury’s Form 990 Overhaul Reshapes Tax-Exempt Oversight

ByEduardo Bacci

April 29, 2026

The week ending April 29 produced the most consequential developments in nonprofit oversight in more than a decade. The Treasury Department announced a Form 990 transparency overhaul, the IRS expanded a new whistleblower program targeting tax-exempt organizations, the Justice Department secured an indictment against one of the country’s most recognizable civil-rights nonprofits, and federal agents executed 22 search warrants in Minnesota in a Medicaid- and childcare-fraud probe linked to the largest pandemic-era nonprofit scandal in U.S. history.

Below, The Investigative Journal tracks eight notable nonprofit-sector items based on public records, agency filings, and court documents.

1. Treasury and IRS announce Form 990 transparency initiative

On April 23, the U.S. Department of the Treasury announced that the Internal Revenue Service will revise Form 990, the annual disclosure form filed by most tax-exempt organizations, to require clearer reporting on government grants, government contracts, and fiscal sponsorship arrangements. Treasury said the revisions are intended to “improve transparency, strengthen tax administration, and provide clearer reporting on certain activities of tax-exempt organizations described in section 501(c)(3).”

“Public money and tax-exempt status demand public accountability,” Treasury Secretary Scott Bessent said in the announcement. Acting IRS Chief Counsel Ken Kies added that “tax-exempt status is not immunity from scrutiny.” Treasury and the IRS plan to publish proposed regulations and provide a public comment period before any reporting changes are finalized.

The fiscal-sponsorship component is particularly significant for sector watchers. Fiscal sponsorships allow established 501(c)(3) entities to provide their tax-exempt status to outside projects that have not yet established their own tax-exempt designation. As CPA Practice Advisor reported, Treasury described the revisions as designed to “discover misconduct at tax-exempt organizations and hold fraudsters accountable.” Coverage in the Journal of Accountancy indicates the proposed rule will sharpen reporting on who controls funds passed through fiscal-sponsorship arrangements — a long-standing blind spot in nonprofit oversight.

2. IRS issues first-ever whistleblower alert focused on tax-exempt fraud

Days before the Form 990 announcement, the IRS issued its first Whistleblower Alert (IR-2026-54) targeting “the misuse, diversion or fraudulent use of federal funds and grants by tax-exempt organizations, individuals, and businesses.” Examples cited include “misclassification of activities to maintain tax-exempt status” and “tax fraud, money laundering, or operating for non-exempt purposes.”

The IRS Whistleblower Program offers awards of up to 30 percent of proceeds collected from information that leads to enforcement action. According to analysis from Whistleblower Partners LLP, the alert represents a marked shift: “The IRS usually does not devote much enforcement energy to investigating tax-exempt organizations…the IRS has historically been especially reluctant to scrutinize whether nonprofits are following the rules to maintain their tax-exempt status.”

Read alongside the Form 990 initiative, the alert signals a coordinated federal pivot toward closer policing of the tax-exempt sector — one that will compress timelines for nonprofits to professionalize internal controls.

3. Federal grand jury indicts Southern Poverty Law Center on fraud, money-laundering charges

A federal grand jury in Montgomery, Alabama, returned an indictment on April 21 charging the Southern Poverty Law Center (SPLC) with wire fraud, false statements to a federally insured bank, and conspiracy to commit concealment money laundering. According to the Justice Department announcement summarized by Legal Reader, prosecutors allege that between 2014 and 2023 the organization “secretly funneled more than $3 million in donated funds” through an informant program tied to extremist groups, while presenting a different account of its work to donors and the public.

The SPLC has rejected the allegations. In an April 28 court filing, the organization stated that law enforcement agencies have long been aware of its informant program and that information from the program had been shared with the FBI, including in connection with an arrest tied to the white-supremacist group Atomwaffen Division. The SPLC asked the federal court to order acting Attorney General Todd Blanche to retract statements suggesting the government had no information about the program.

The case is at the indictment stage; the allegations have not been adjudicated. Records suggest, however, that even before charges were filed, the FBI severed ties with the SPLC in October 2025. Per the SPLC’s most recent Form 990 filings on ProPublica’s Nonprofit Explorer, the organization reports total assets in excess of $700 million, placing executive-compensation and program-spending ratios under heightened scrutiny as the case proceeds.

4. FBI executes 22 search warrants in Minnesota Medicaid and childcare probe

On April 28, the FBI, working with Minnesota Attorney General Keith Ellison’s Medicaid Fraud Control Unit and federal partners, executed search warrants at 22 sites across the Twin Cities metropolitan area, including Medicaid providers and childcare centers. The Twin Cities Pioneer Press reported that authorities described the operation as “relating to the rampant fraud of U.S. taxpayers dollars.”

Several of the entities raided are nonprofit-affiliated. The activity comes amid ongoing federal prosecutions of Minnesota nonprofits accused of exploiting federally funded reimbursement programs. Filings indicate the warrants are part of a broader federal effort that has been building since the Justice Department’s National Fraud Enforcement Division launched a coordinated Twin Cities task force last quarter.

No charges had been announced as of publication; the warrants are an investigative step, not an adjudication.

5. Feeding Our Future sentencings approach 60 guilty pleas

Federal prosecutors continued to bring resolutions in the Feeding Our Future case — a $250 million pandemic-era child-nutrition fraud described by federal officials as the largest scheme of its kind in the country. On April 24, U.S. District Judge Nancy Brasel sentenced Abdullahe Nur Jesow to 43 months in federal prison and ordered him to pay $866,000 in restitution after he claimed reimbursement for purportedly serving 1.7 million meals through a sponsored site. Jesow was the 56th defendant to plead guilty in the case, according to the U.S. Attorney’s Office for Minnesota.

Earlier in the month, brothers Suleman Yusuf Mohamed and Gandi Yusuf Mohamed pleaded guilty for their roles in the same scheme. As detailed in an April 6 MPR News report, prosecutors say defendants “staged food distribution in order to gin up evidence” tied to a 2020 lawsuit by the now-defunct sponsoring nonprofit. The Feeding Our Future case has produced indictments of at least 79 defendants and is widely cited within the sector as the catalyst for the new Form 990 fiscal-sponsorship reporting language Treasury announced this week.

6. California Attorney General sues individuals and charities for alleged fundraising fraud

California Attorney General Rob Bonta filed a civil lawsuit this month alleging that a network of individuals and charities operated and profited from fraudulent fundraising schemes targeting California donors, according to Regulatory Oversight. The complaint, filed under California’s Supervision of Trustees and Fundraisers for Charitable Purposes Act, alleges that the defendants used charitable status to attract donations that were then diverted for personal benefit.

The action follows a separate California criminal filing against 21 suspects in a hospice-fraud ring earlier in April. Records suggest Bonta’s office has shifted resources toward charitable-trust enforcement following federal Treasury Department guidance issued earlier this year that encourages state coordination on cross-jurisdictional charity fraud. The civil case remains pending.

7. Virginia redistricting fight draws roughly $100 million in 501(c)(4) spending

Virginia’s high-stakes redistricting amendment vote produced one of the largest dark-money flows tied to a state-level ballot question in recent memory. According to TIME magazine, “around 95% of the almost $100 million raised” on both sides of the fight came from 501(c)(4) tax-exempt nonprofits, which are not required to disclose donors. Cardinal News reported that the “no” side alone received $22 million through a referendum committee and an additional $7 million through an anti-redistricting PAC, much of it traceable to 501(c)(4) intermediaries.

Shanna Ports, senior legal counsel with the nonpartisan Campaign Legal Center, told Cardinal News that “there is no form that they need to file that discloses their donors, so when they’re giving contributions to campaigns or ballot measure committees, there’s no way to trace that money back to the individuals that it originated with.”

The Virginia data also bears on a separate super PAC contribution-cap lawsuit in Maine, where filings cite a 501(c)(4) network associated with Leonard Leo. Both cases are likely to factor into ongoing federal debate over whether the Form 990 revisions should ultimately reach 501(c)(4) reporting as well as 501(c)(3) reporting.

8. Reporting on philanthropic vehicles used for political spending

The New York Times published a wide-ranging investigation on April 3 detailing how a small number of wealthy donors have used philanthropic vehicles and a narrow exception in nonprofit law to direct funds toward politically active 501(c)(4) organizations. The piece names Microsoft co-founder Bill Gates and former New York City mayor Michael Bloomberg among major donors whose money flowed through layered nonprofit structures. The Times report tracks consistent patterns identified by both OpenSecrets and the Campaign Legal Center: the use of 501(c)(4) intermediaries to obscure ultimate funding sources on ballot measures, judicial campaigns, and issue-advocacy efforts.

The reporting does not allege illegal conduct by named donors; the legal exception cited remains current law. But the data set adds further context to the bipartisan momentum behind Treasury’s Form 990 transparency push.

Nonprofits warranting deeper TIJ investigation

Drawing from this week’s developments and prior TIJ reporting, four organizational profiles warrant continued examination: (1) the SPLC, where the Form 990 record will be reviewed against the federal indictment’s allegations as the case proceeds; (2) the Minnesota nonprofit ecosystem feeding into the Feeding Our Future and pending Twin Cities Medicaid investigations, where filings indicate concentrated relationships among sponsoring 501(c)(3)s and downstream vendors; (3) the 501(c)(4) intermediaries that transmitted approximately $100 million through Virginia’s redistricting fight; and (4) the fiscal-sponsorship arrangements likely to be the primary regulatory target of the new Form 990 disclosure framework.

The Investigative Journal will continue tracking executive compensation, program-spending ratios, and donor-disclosure patterns across these cases as new filings, court documents, and state attorney general reports become public. Records suggest that the combination of Form 990 reform, an active whistleblower program, and aggressive Justice Department posture toward tax-exempt fraud will produce the most consequential year of nonprofit-sector accountability journalism since the post-2008 financial-crisis reforms.

Eduardo Bacci is the editor of The Investigative Journal. Allegations described above are based on public records, court filings, and agency announcements. Pending matters have been noted as such; all parties retain the right of reply.

ByEduardo Bacci

Investigative journalist and founder of The Investigative Journal. Specializing in OSINT-driven reporting on corporate malfeasance, government accountability, and institutional corruption.