Sigal Chattah: The legal mechanism that disqualified Nevada's top prosecutor

Overview

Sigal Chattah has been disqualified from serving as the Acting United States Attorney for Nevada. This is not a political opinion piece, but a procedural outcome: a federal appeals court ruled that the appointment process used to place her in the role violated specific federal vacancy laws.

According to a unanimous panel of the Ninth Circuit Court of Appeals, the Department of Justice cannot bypass the Senate confirmation process by simply shifting titles or delegating powers to an unconfirmed appointee. The court affirmed a lower court's order that Chattah's appointment was unlawful. This ruling applies to the specific mechanism the administration used to extend her tenure after her interim term ended. It does not address the merits of any specific prosecutions she oversaw, but rather the legal authority to hold the title itself.

How the mechanism works

The core issue involves the Federal Vacancies Reform Act and the specific limits it places on the Attorney General. When a U.S. Attorney position becomes vacant, the law allows the Attorney General to appoint an Acting U.S. Attorney to fill the gap temporarily. However, the courts have drawn a hard line around how that appointment can happen.

The Ninth Circuit panel clarified two specific mechanisms that the government attempted to use in this case, both of which were rejected:

1. The "First Assistant" Loophole: The court ruled that the Attorney General cannot appoint someone to a vacant post as the Acting U.S. Attorney simply by naming that individual the "first assistant." In the view of the judges, the title "first assistant" does not automatically grant the full powers of the U.S. Attorney to bypass the Senate.
2. Delegation of Power: The panel also held that the Attorney General cannot "create a de facto Acting U.S. Attorney by delegating all of the functions and duties of the U.S. Attorney to someone else." If the Attorney General tries to hand over the entire job to an unconfirmed person to avoid the confirmation process, the appointment is invalid.

According to the Washington Litigation Group, which argued the case, the district court had already ruled in September that former Attorney General Pam Bondi violated these laws by shifting Chattah's titles to designate her as the acting official. The appeals court affirmed that the government cannot circumvent the Senate's constitutional role in confirming U.S. Attorneys.

What the sources say

The timeline and specific findings come from the court's decision and the reporting that followed the announcement on August 17, 2026.

• The Ruling: A three-judge panel for the Ninth Circuit Court of Appeals unanimously affirmed the district court's order. Reports indicate the panel included two judges appointed by President Trump and one appointed by President Bill Clinton.
• The Violation: The court found that the appointment was unlawful because the Justice Department tried to keep Chattah in charge through appointment and delegation mechanisms that the law does not permit after her interim term ended.
• The Context: Reports indicate that the appointment process involved shifting titles to designate Chattah as the acting U.S. Attorney. The court determined that the Attorney General cannot make someone an Acting United States Attorney by designating that person as the first assistant to an already-vacant office.
• The Outcome: While the ruling disqualifies her from the title of "Acting U.S. Attorney," the panel noted that she may continue to lead the office as the "first assistant," the second-in-command who typically steps in during vacancies. However, she will not enjoy the full powers that would have been granted to her as the confirmed or lawfully appointed Acting U.S. Attorney.

This decision aligns with similar rulings from other district courts that have rejected attempts to extend the service of unconfirmed appointees as the heads of U.S. Attorney offices.

Important limits to the ruling

This guide focuses strictly on the legal mechanism of the disqualification. It is not a verdict on the political motivations of the parties involved, nor does it validate or invalidate the specific criminal cases handled by the Nevada U.S. Attorney's office.

• Scope of the Ruling: The court addressed the appointment process, not the conduct of the office. The ruling confirms that the specific method used to appoint Chattah was illegal under the Federal Vacancies Reform Act.
• Source Limitations: The details regarding the specific timeline of the appointment and the internal mechanics of the title shift are reported by the courts and the parties involved. The description of the appointment as "unlawful" comes directly from the court's holding and the reporting of the Nevada Independent, Democracy Docket, and Fox News.
• Future Implications: While the panel affirmed the disqualification, the practical day-to-day leadership of the office may continue under the "first assistant" title, albeit with restricted authority compared to the full Acting U.S. Attorney role.

What happens next

The immediate effect of the ruling is that Sigal Chattah can no longer serve as the Acting United States Attorney for Nevada under the title and authority the Department of Justice previously claimed she held. The Justice Department will need to appoint a new Acting U.S. Attorney through a process that complies with the Federal Vacancies Reform Act, or seek a nominee to be confirmed by the Senate.

This case reinforces a pattern seen in other districts where courts have pushed back against the appointment of unconfirmed loyalists to lead U.S. Attorney offices. The Ninth Circuit's decision serves as a binding precedent within its jurisdiction (which includes Nevada) that the Attorney General cannot use creative title-shifting to bypass the Senate.

For the public, the takeaway is that the appointment of federal prosecutors remains subject to strict statutory limits. The courts have signaled that the "de facto" appointment of unconfirmed officials to the top role is not a viable workaround for the confirmation process.

Going further

• Ninth Circuit Affirms Disqualification of Sigal Chattah – The official announcement from the Washington Litigation Group detailing the amicus brief and the specific legal arguments regarding the "first assistant" title.
• Appeals court finds Sigal Chattah is illegally Nevada's top federal prosecutor – Local reporting from The Nevada Independent that breaks down the unanimous panel ruling and the implications for the state's U.S. Attorney's office.
• Appeals court rules Nevada's top federal prosecutor was unlawfully appointed – Analysis from Democracy Docket on how the ruling fits into the broader context of federal appointment laws and the role of the Senate.