World June 16, 2026 10:13 PM

Federal Judge Temporarily Blocks Full Enforcement of Idaho’s Transgender Restroom Law

Preliminary injunction limits criminal penalties while constitutional challenge proceeds; portions of the law remain enforceable

By Jordan Park
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A U.S. district judge has issued a preliminary injunction preventing Idaho from fully enforcing a recently passed statute that would criminalize transgender people who use public restrooms inconsistent with their sex assigned at birth. The ruling pauses enforcement of certain restroom provisions - including criminal penalties - while a class-action suit asserting violations of the 14th Amendment moves through the courts, but leaves untouched some parts of the law related to multi-user facilities and other areas not directly challenged.

Federal Judge Temporarily Blocks Full Enforcement of Idaho’s Transgender Restroom Law
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Key Points

  • A federal district judge in Boise issued a preliminary injunction that limits Idaho’s ability to fully enforce a new law criminalizing transgender individuals for using restrooms inconsistent with their sex assigned at birth.
  • The injunction permits transgender people to use single-stall restrooms matching their gender identity and multi-stall restrooms when no single-stall option is available on the same floor; other parts of the law, including multi-user bathrooms and provisions on locker rooms and showers not challenged in court, remain enforceable.
  • The lawsuit alleges violations of due process, equal protection and privacy under the 14th Amendment; the judge found the law’s law-enforcement provisions likely unconstitutionally vague, a decision sufficient to justify the injunction.

A federal judge in Boise on Tuesday moved to restrict Idaho’s ability to implement a new state law that would make it a crime for transgender people to use public restrooms that do not correspond with the sex they were assigned at birth. The statute, which carried criminal penalties including up to five years behind bars for repeated violations, had been scheduled to take effect on July 1.

U.S. District Judge Amanda Brailsford issued a preliminary injunction in a class-action lawsuit challenging the measure’s constitutionality, limiting the state’s ability to enforce key portions of the law while litigation continues. Brailsford’s order specifically permits transgender individuals to continue using single-stall restrooms that align with their gender identity. It also allows use of a multi-stall restroom when a single-stall facility is not available on the same floor of a building.

Beyond those narrow permissions, the court’s injunction does not block Idaho from enforcing the statute in other respects. The state remains able to enforce the law as it applies to multi-user bathrooms and to portions of the statute that address public locker rooms and shower facilities, areas that were not part of the legal challenge before the court.

The plaintiffs in the case had sought a more narrowly tailored temporary bar on what they described as the most burdensome components of the statute, but they are pursuing a final judgment that would strike down all restroom restrictions in the law. Their complaint contends the statute infringes on rights guaranteed by the 14th Amendment - specifically due process, equal protection and privacy.

In a 30-page opinion, Judge Brailsford ruled in favor of the plaintiffs on the due process claim. She found that the law’s law-enforcement provisions are likely unconstitutionally vague, a determination she said was sufficient to warrant an injunction even before the court addresses the plaintiffs’ claims under privacy and equal protection theories.


State safety rationale and the court response

Supporters of the law have argued its purpose is to enhance safety in public restrooms and prevent instances of sexual assault or voyeurism allegedly committed by men who would pose as transgender women. In her opinion, Brailsford acknowledged the state’s legitimate interest in "promoting bodily privacy and protecting women and children in public restrooms from those who may seek to do harm," but she concluded those public-safety concerns can be addressed by existing criminal laws "without infringing upon plaintiffs’ constitutional rights."

The plaintiffs counter that the statute, rather than improving safety, will expose transgender people to "likely violence, harassment and psychological harm." Their complaint further asserts that the Republican-controlled Idaho legislature "relied on inaccurate beliefs and stereotypes about transgender people" when drafting the law, "conflating transgender people with sexual predators."


Scope of the Idaho statute and related measures

The Idaho law had stood out among similar measures enacted in roughly 20 states by making criminal penalties a mechanism for enforcement. According to a count cited in the litigation, only three other states - Utah, Kansas and Florida - employ incarceration as a potential enforcement tool for comparable statutes. Idaho’s measure is broader in scope and carries stiffer penalties than those other laws.

Under the Idaho statute, it would be a crime to enter a restroom, changing room or shower that is designated for the opposite biological sex in locations such as government buildings, restaurants, stores and other private businesses when those facilities are open to the public. The first offense would be classified as a misdemeanor, punishable by up to one year in jail. A second offense within five years would be elevated to a felony, with a maximum sentence of five years imprisonment.

Idaho had previously enacted two separate laws that restrict access to bathrooms on public school campuses and college campuses in cases where a student’s birth sex corresponds to the gender designation of the facility. Those statutes permit students to seek enforcement through civil suits if they encounter a transgender person they believe is in violation. Both of those earlier education-focused laws are themselves the subject of legal challenges and remain in effect while they proceed through the courts.


Next steps

The court’s preliminary injunction will remain in place while the class-action lawsuit advances toward a final determination on the constitutional claims. The judge’s finding on vagueness leaves undecided the plaintiffs’ privacy and equal protection arguments, which the court has not yet ruled upon. Meanwhile, portions of the statute not covered by the injunction may be enforced by state authorities.

Risks

  • Ongoing legal uncertainty as the class-action lawsuit progresses could leave portions of the statute in force while others are enjoined, creating inconsistent enforcement across public facilities - this affects government-operated venues, restaurants, stores and other private businesses.
  • Plaintiffs contend the law will expose transgender people to likely violence, harassment and psychological harm, introducing safety and liability concerns for institutions that host public restrooms and related facilities.
  • The portions of the statute not covered by the injunction - including rules governing multi-user bathrooms, public locker rooms and shower facilities - remain subject to enforcement, producing continued legal and operational risk for entities that operate such facilities.

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