A Waiver Does Not Become a Rule Because Congress Is Listening.

The route matters because the destination changes

California ordinarily cannot set its own standards for emissions from new motor vehicles because the Clean Air Act preempts state standards. Section 209(b) creates a special route. EPA must grant California a waiver unless it makes one of three statutory findings, including that California does not need its standards to meet compelling and extraordinary conditions. Other states may choose to adopt standards identical to California's once a waiver is in place.

That process is adjudicatory in character. California asks for permission, EPA considers a defined record and statutory criteria, and the agency grants or denies relief directed to California. The Administrative Procedure Act defines an order as a final disposition in a matter other than rulemaking, including licensing. It defines rulemaking as the process for formulating, amending, or repealing a rule. Those categories are not decorative headings. They identify the process used and the legal consequences produced.

The Congressional Review Act creates a different route. When an agency issues a covered rule, Congress can use expedited procedures to pass a joint resolution of disapproval. If the resolution becomes law, the rule cannot take effect or continue. The statute also provides that a substantially similar rule generally cannot be reissued unless Congress later authorizes it. Classification therefore determines much more than which government inbox receives a document.

EPA needed the reclassification to matter

The four waivers at issue were granted between 2009 and 2024. According to the court, the waivers themselves said they were not rules for Congressional Review Act purposes. EPA had consistently taken that position, and the Government Accountability Office concluded in 2023 and again in 2025 that comparable waiver decisions were orders rather than covered rules.

In June 2026, EPA announced that it had determined the four waivers were rules and transmitted them to Congress. California sued. EPA then argued that it had merely submitted reports to Congress and had not taken a separate reclassification action affecting California's rights. The court saw an irreconcilable problem. Submission under the Congressional Review Act depended on treating the waivers as rules, yet EPA denied making the classification decision that made submission possible.

The court did not simply disagree with EPA's preferred definition. It separated the steps. Reclassification came first. Submission to Congress came next. Section 805 of the Congressional Review Act bars judicial review of determinations and actions under that statute, but Judge Howell held that the bar did not insulate the antecedent decision to transform an order into a rule. Reading the provision more broadly, she reasoned, could place much of ordinary administrative law beyond review whenever an agency invoked the Congressional Review Act at the end of the process.

Legal consequences reveal the real decision

EPA also argued that its interpretation had no present, independent legal effect on California. That contention was difficult to reconcile with the agency's own asserted duty to transmit the waivers after classifying them as rules. Under Bennett v. Spear, finality asks whether an agency has completed its decision-making process and whether rights, obligations, or legal consequences follow. The court found both conditions satisfied.

The practical point is useful well beyond environmental law. Institutions often describe a consequential step as preliminary, informational, advisory, or administrative when they want to avoid review. The right question is not what the document calls itself. Ask what changed because it was issued. Did a duty arise? Did a protection disappear? Did a decision-maker acquire power that was unavailable the day before? Did someone alter conduct in response?

That inquiry is especially important when several government actors are involved. EPA could not order Congress to pass a disapproval resolution, and the court could not direct Congress to ignore materials it had already received. But the independence of the next actor did not erase EPA's completed act. The court could examine what EPA did, what legal gateway it claimed to open, and whether EPA had authority to open it.

Lawyers should recognize the same pattern in less dramatic settings. A regulator may call a communication informal while expecting immediate compliance. A company may label a worker independent while controlling the work. A platform may describe a restriction as guidance while enforcing it as a condition of access. A label is evidence of how the drafter wants the act perceived. It is not the end of the legal analysis.

Changing a position is lawful. Pretending it never changed is not a strategy

Administrative agencies can change policy. The Administrative Procedure Act does not freeze the first interpretation forever, and elections are expected to produce different priorities. But a lawful change ordinarily requires the agency to acknowledge the change, act within delegated authority, use the required procedure, and give a reasoned explanation that accounts for serious reliance interests.

At this stage, the court found California likely to succeed because EPA offered no explanation for its abrupt break with a longstanding position while also denying that a reclassification had occurred. The court also found no statute identified by EPA that authorized the post hoc conversion of the waiver orders into rules. Because this was a preliminary-injunction decision, those are likelihood findings based on the current record. They are not final merits holdings immune from appeal or further development.

The candor problem is broader than administrative law. An advocate is usually better served by identifying the hard transition and defending it than by forcing the reader to discover it. A changed answer may be lawful and reasonable. An unexplained contradiction weakens every argument built on top of it because it makes the decision-maker question not only the conclusion, but the account of how the conclusion was reached.

The injunction preserves a process, not a permanent policy victory

The court ordered EPA to take steps within its control to restore the position that existed before the June 12 announcement, including withdrawing or correcting that announcement as to the four waivers. It also barred further action to reclassify California's Section 209(b) waiver orders as rules while the litigation proceeds. The court denied the motions to dismiss filed by EPA and the petroleum-industry intervenors.

That relief does not compel Congress to return what it received. It does not finally resolve separate litigation concerning earlier waivers that Congress disapproved in 2025. It does not hold that every agency waiver is always an order, regardless of the governing statute and procedure. And it does not prevent a future court from narrowing or reversing the analysis.

What the decision does, for now, is insist that legal categories carry legal discipline. If an agency wants the power that comes from calling an adjudicatory order a rule, it must confront the authority, procedure, explanation, and review that follow. Government cannot make a classification operational for one branch and imaginary for another.

The September 2 decision grants preliminary relief in California v. EPA, No. 1:26-cv-02185-BAH. This article analyzes the published opinion and is not legal advice about any regulated entity, emissions program, or pending matter.