The donor community created by the billionaire industrialist brothers Charles G. and David H. Koch is making ready to get entangled within the presidential primaries in 2024, with the intention of turning “the web page on the previous” in a thinly veiled rebuke of former President Donald J. Trump, in response to an inner memo.

The community, which consists of an array of political and advocacy teams backed by a whole bunch of ultrawealthy conservatives, has been among the many most influential forces in American politics over the previous 15 years, spending practically $500 million supporting Republican candidates and conservative insurance policies within the 2020 election cycle alone. But it surely has by no means earlier than supported candidates in presidential primaries.

The potential transfer in opposition to Mr. Trump might inspire donors to line up behind one other potential candidate. To this point, solely the previous president has entered the race.

The memo is about to exit to the affiliated activists and donors after a weekend convention in Palm Springs, Calif., the place the community’s leaders laid out their objectives for the subsequent presidential election cycle. At numerous classes, they made clear they deliberate to get entangled in primaries for numerous places of work, and early.

“The Republican Celebration is nominating unhealthy candidates who’re advocating for issues that go in opposition to core American ideas,” the memo declares. “And the American individuals are rejecting them.” It asserts that Democrats are responding with “insurance policies that additionally go in opposition to our core American ideas.”

The memo’s creator is Emily Seidel, chief govt of the lead nonprofit group within the community, People for Prosperity, and an adviser to an affiliated tremendous PAC. However the ideas sketched out within the memo are anticipated to use to another teams within the community, which is now often called “Stand Collectively.”

People for Prosperity’s tremendous PAC spent practically $80 million through the 2022 midterm elections, however that’s probably only a fraction of the community’s general spending, a lot of which was undertaken by nonprofit teams that won’t be required to disclose their funds till this fall.

One of many classes realized from major campaigns within the 2022 midterm election cycle, the memo says, in boldface, “is that the loudest voice in every political social gathering units the tone for the complete election. In a presidential 12 months, that’s the presidential candidate.”

It continues, “And to write down a brand new chapter for our nation, we have to flip the web page on the previous. So the perfect factor for the nation can be to have a president in 2025 who represents a brand new chapter. The American individuals have proven that they’re prepared to maneuver on, and so A.F.P. will assist them try this.”

Although the memo didn’t point out Mr. Trump’s identify, leaving open the chance that the community might fall in behind him if he received the Republican nomination, its references to a “new chapter” and leaving the previous behind had been unmistakable.

Mr. Trump’s early entry into the race, in November, has largely frozen the sector. The one different candidate anticipated to get into the race quickly is Nikki Haley, the previous governor of South Carolina, whose allies, regardless of her work because the U.N. ambassador beneath Mr. Trump, have forged her as a change from the previous.

The Koch community publicly opposed a few of Mr. Trump’s insurance policies, together with tariffs he imposed as president, although it labored together with his administration on an overhaul of the prison justice system that slashed some sentences.

If the community had been to unite behind an alternative choice to Mr. Trump, it might give that candidate an incredible increase, given the sources at its disposal, which at occasions have rivaled — and even surpassed — these of the Republican Nationwide Committee.

It might even be a dramatic departure for the Koch community, which was launched by the Koch brothers throughout former President George W. Bush’s administration as an effort to reorient the Republican Celebration and American politics round their libertarian-infused conservatism.

And it comes at a second when quite a lot of the social gathering’s most prolific donors have remained on the sidelines, with a Republican major discipline that has but to take form.

The community has had ties to former Vice President Mike Pence, who’s taking steps that might result in a presidential marketing campaign. And a few main donors have expressed curiosity in Gov. Ron DeSantis of Florida, who can be weighing a possible marketing campaign. But when Mr. DeSantis enters the race, he’s probably months away from doing so, in response to individuals acquainted with his considering.

“It appears just like the Democrats have already chosen their path for the presidential — so there’s no alternative to have a optimistic impression there,” the memo says. People for Prosperity’s tremendous PAC “is ready to help a candidate within the Republican presidential major who can lead our nation ahead, and who can win.”

Plenty of massive donors who backed Mr. Trump in 2016 and 2020 have but to say they are going to accomplish that once more. Different teams of donors, equivalent to these belonging to the hedge fund billionaire Paul Singer’s American Alternative Alliance, which overlaps with the Koch community, are additionally largely on the sidelines to this point.

It might be simpler for the Koch community to resolve to oppose Mr. Trump than to agree on an alternate.

In previous election cycles, the ideological range of the community’s donors, in addition to the Kochs’ dedication to their very own ideology, have been impediments to uniting behind a single presidential candidate.

Whereas Charles Koch is essentially the most distinguished determine within the community — his brother David started stepping again from it earlier than his demise in 2019 — it attracts its affect partly from its capacity to pool sources from an array of main donors who characterize typically divergent wings of the Republican Celebration, together with noninterventionists, overseas coverage hawks and non secular conservatives.

Maybe the closest the community got here to wading right into a Republican presidential nominating context was in 2016, when it was pressured by some donors and operatives to again an opponent of Mr. Trump, who was seen as anathema to the Kochs’ restricted authorities, free-trade instincts.

However the community wavered. And one in every of its high operatives, Marc Quick, decamped for the presidential marketing campaign of Senator Marco Rubio of Florida, who was considered by many Koch-aligned donors as having the perfect probability to defeat Mr. Trump, however whose hawkish instincts ran afoul of the Kochs.

The community remained largely on the sidelines of the 2016 presidential race after Mr. Trump received the Republican nomination: Charles Koch at one level in contrast having to resolve whether or not to help Mr. Trump or Hillary Clinton, the Democratic nominee, to being requested to decide on between most cancers or a coronary heart assault.

It continued to sit down out presidential politics in 2020, when Mr. Koch expressed remorse over the community’s monetary backing of Republicans and proclaimed that it had “deserted partisanship” in favor of bipartisan efforts like overhauling the prison justice system.

The community rejects the concept that it retreated from politics altogether, nevertheless, noting within the memo that People for Prosperity engaged in additional major elections final 12 months — about 200 on the state and federal stage — than ever earlier than, and that the candidates it supported received in additional than 80 % of these races.