The underlying dispute turns on Trump's August 25 removal of Cook, a sitting member of the Federal Reserve Board of Governors, based on mortgage applications she submitted in a two-week period in 2021 for two properties in Michigan and Georgia. In both, she represented to lenders that she would occupy each property as her principal residence within 60 days. Solicitor General D. John Sauer, arguing for the government, told the Court that the president's removal order characterized the conduct as showing it was inconceivable Cook was unaware of the first commitment when making the second, and impossible that she intended to honor both — conduct the order described as at least gross negligence in a financial representation made in the context of obtaining favorable interest rates. Cook's counsel, Paul D. Clement, countered that her attorney's letter described the Michigan bank as having given permission to rent after she relocated to Washington for the job, and that the Atlanta application included an attachment disclosing the property as a vacation home — leaving, at most, an inadvertent mistake that falls well short of any cognizable standard for cause.

The argument exposed three interlocking problems the justices pressed hard on both sides. First, the scope of judicial review: Sauer argued that once the president identifies conduct touching fitness, ability, or competence, courts owe deference and the determination is effectively unreviewable within that zone. Justice Kavanaugh pushed back sharply, warning that a system with no procedure, no judicial review, no remedy, and a conception of cause the president alone defines would reduce the for-cause restriction to at-will employment and incentivize future presidents to search for trivial or old allegations to paper over policy-driven removals. Justice Kagan pressed Sauer on what the cause requirement amounts to if mandamus cannot run against the president and no other remedy exists, suggesting the protection seems non-effectual.

Second, the notice and hearing question: Sauer maintained the statute's bare word cause carries no implied procedural requirements, pointing to Congress's decision to include an explicit hearing provision in the NLRA one month before reenacting the Federal Reserve's for-cause standard in 1935 without doing the same. Justice Barrett noted that Shurtleff required notice and a hearing under an inefficiency, neglect, or malfeasance standard even though the statute did not say so, and asked why the same logic should not apply here. Justice Sotomayor quoted from Reagan for the proposition that where causes of removal are specified by statute, as also where the term of office is for a fixed period, notice and hearing are essential — a combination she said describes the Federal Reserve statute exactly. Clement argued the minimum required hearing would need notice, an opportunity to provide evidence to the decisionmaker, and a decisionmaker who has not prejudged the issue — a standard he said the Truth Social post announcing the removal failed, because it was also indisputable evidence that the president had prejudged the matter.

Third, the remedy problem: Sauer argued the district court lacked jurisdiction to issue a preliminary injunction reinstating Cook at all, relying on the Court's holding in Sawyer that equity provides no jurisdiction over the appointment or removal of public officers. Justice Jackson challenged that framing, arguing that Cook never left office and that courts of equity have always been able to issue preliminary relief to prevent a removal while removability is litigated — a different posture from restoration after the fact. Sauer responded that the tradition of recognizing the president's authority to make suspensory removals pending final determination independently forecloses such relief.

Justice Barrett raised the market-risk concern directly, noting amicus briefs from economists warning that granting the stay could trigger a recession. Sauer pointed to the stock market's behavior in the three days after Cook's August 25 removal as a natural experiment undercutting predictions of doom. Barrett replied that she had no interest in quantifying that risk and asked whether the uncertainty itself counseled caution in the stay posture. Clement argued the irreparable harm calculus cuts the other way in the Federal Reserve context specifically because, unlike agencies where the president has untrammeled removal authority, the government has accepted for purposes of this case that the Fed's for-cause restriction is valid — meaning the harm of keeping Cook in place while the case is litigated is not the same kind of harm as in ordinary removal disputes.

Clement's front-line position — that for cause means only inefficiency, neglect, or malfeasance plus statutory ineligibility, and that pre-office conduct categorically cannot qualify — drew pointed hypotheticals from Justice Alito about egregious pre-office sexual misconduct and videos expressing admiration for Hitler. Clement held his position, arguing impeachment is the constitutional backstop for such cases, while acknowledging his backup argument that the common law permits removal for an infamous crime would not require a conviction. Justice Kavanaugh suggested that backup-to-the-backup position actually resolves most of the hard hypotheticals. In rebuttal, Sauer cited cases including In re Guden, Iowa v. Walsh, and Gill v. Watertown for the proposition that pre-office misconduct has historically been treated as sufficient cause, and argued that accepting Clement's position would give Federal Reserve governors the tenure protections the Constitution reserves for Article III judges.