PHOENIX — A new state law barring schools from imposing mask mandates on students and staff is unconstitutional, a judge ruled Monday.

The law, passed by the Republican-led Legislature and signed by GOP Gov. Doug Ducey, must not take effect Wednesday, Sept. 29, as scheduled, the judge said.

In the broad ruling, Maricopa County Superior Court Judge Katherine Cooper also voided a host of other bills approved by the Legislature in the waning days of the session, which all were set to become law Wednesday.

These include:

Requirements for anti-fraud measures for ballots.

Prohibitions against cities and towns requiring face coverings or imposing curfews.

Banning universities and community colleges from requiring proof of vaccination.

Limits on teaching so-called “critical race theory.”

The judge did not find that any of these provisions, by themselves, are illegal.

What is, she said, was piling them into just four separate so-called “budget reconciliation” bills, each with what she said are broad, generic titles that fail to inform voters of the changes they enact.

And Cooper said there are separate constitutional requirements that legislation deal with only a single subject.

“Together these requirements promote transparency and the public’s access to information about legislative action,” she wrote.

Ducey press aide C.J. Karamargin called the ruling “clearly an example of judicial overreach” and promised an appeal.

“It’s the duty and authority of only the legislative branch to organize itself and make laws,” he said. “Unfortunately, today’s decision is the result of a rogue judge interfering with the authority and processes of another branch of government.”

But Cooper addressed — and brushed aside — claims that how legislation is crafted is a “non-justiciable political question” beyond the reach of judges to conclude whether lawmakers are exceeding their constitutional powers.

“The issue here is not what the legislature decided but how it decided what it did,” she wrote. “Whether the legislature complied with the requirements of (the Arizona Constitution) and whether a provision is reasonably related to ‘budget reconciliation’ are questions properly before the court.”

Attorney General Mark Brnovich, who is running for the Republican nomination for U.S. Senate, also vowed an appeal.

“It’s unfortunate that left-wing groups want to undermine the legislative process and indoctrinate our children with critical race theory and force vaccines on those who don’t want them,” he said.

But the decision, particularly about masks, cheered state schools chief Kathy Hoffman.

“With this ruling, Arizona school leaders, educators and community members can come together to make the best decisions on public health, safety and education,” she said.

Hoffman urged supporters of the ban not to appeal.

“Our school communities are tired of being political pawns in dangerous attempts to subvert democracy and ignore science,” she said.

Monday’s ruling does more than void the challenged sections of the laws. Unless overturned, it also quashes the practice lawmakers use of piling apparently unrelated issues into bills in an effort to corral the votes for the entire package.

“This is classic logrolling — a medley of special interests cobbled together to force a vote for all or none,” the judge said. Banning that could result in difficulty getting approval of future controversial measures.

At issue here are “reconciliation” bills.

The Arizona Constitution prohibits policy changes from being included in the actual budget. So, for example, allocating a certain amount of money for school construction goes into the budget. Instructions on guidelines for giving out the cash, however, go into a reconciliation bill.

Cooper, however, said what’s in these 2021 bills hardly qualifies. She cited the constitutional requirement for a bill’s official title to reflect what is included.

Attorneys for the state argued that she should interpret that requirement broadly. So, in the case of a “health” budget reconciliation bill, they said that can include anything related to health.

“That is not correct,” Cooper wrote. “The legislature has discretion to title a bill, but, having picked a title, it must confine the contents to measures that reasonably relate to the title and each other to form one general subject.”

The title of the bill “must be worded so that it puts people on notice as to the contents of the bill,” she said. “It should enable legislators and the public upon reading the title to know what to expect in the body of the act so that no one would be surprised as to the subjects dealt with by the act.”

That did not occur here, the judge said.

Consider the provision prohibiting schools from requiring students and staff to wear masks while on campus. It was enacted not as separate legislation but instead tucked into what was labeled “budget reconciliation for kindergarten through grade 12.” Ditto language forbidding schools from requiring proof of vaccines.

Also in that same bill, she noted, were the restrictions on what can be in public school curriculum. These include the so-called ban on teaching “critical race theory” — which it describes as “any form of blame or judgment on the basis of race, ethnicity or sex” — as well as authorizing lawsuits against public employees for what she called “vaguely defined conduct related to public schools.”

“What do these measures have to do with the budget?” Cooper asked.

She took a particular slap at arguments that banning mask and vaccine mandates in public and charter schools is related to the budget because it may “potentially reduce overall enrollment and funding,” calling that “particularly disturbing” and unsupported by the legislative record.

“More concerning is the suggestion that the legislature would see this provision as a means to de-fund public and charter schools by discouraging staff and student attendance,” she continued. “There is no question that the bill’s title provide no notice of that policy measure.”

But Cooper did leave intact other provisions of that bill which she said did meet the constitutional requirements for a single subject and proper title, such as a change in the formula for state aid to schools.

The judge was no more impressed by arguments defending the legality of a separate bill labeled as “relating to budget procedures.”

Among its provisions are “fraud countermeasures” for paper ballots, stripping Secretary of State Katie Hobbs of her ability to defend challenges to state election laws, directing Hobbs to seek permission from the federal Election Assistance Commission to require proof of citizenship for those registering to vote only in federal elections, and setting up a “special committee” to review audit results of the 2020 election.

“So what do ‘fraud countermeasures’ in ballots have to do with a procedure for the budget?” Cooper said. “How does proof of citizenship on a federal form advance a budget procedure?”

“The Arizona Supreme Court has made it clear that logrolling is unlawful,” the judge wrote.

In finding the method of enactment unconstitutional, Cooper said she does not need to rule on a separate argument that the ban on mask mandates at traditional public and charter schools violates constitutional requirements for equal protection because it does not apply to private and parochial schools.

Cooper also said if lawmakers try to enforce the provisions she declared unconstitutional she will issue further orders.

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Howard Fischer is a veteran journalist who has been reporting since 1970 and covering state politics and the Legislature since 1982. Follow him on Twitter at "@azcapmedia" or email azcapmedia@gmail.com.