Kast Needs His Own Side to Pass His Security Reform. It Is Not Cooperating
Chile · Politics
Key Facts
- The bill One reform bill with eight constitutional changes, filed in the Senate on Monday 17 August under “suma urgencia”, a 15-day fast track.
- The sticking point A new state of exception for serious threats to public security: 120 days, extendable once by the president to 240.
- The libertarian break Johannes Kaiser’s Partido Nacional Libertario says it will limit the text or reject it outright.
- The sharpest line PNL leader Johannes Kaiser called a long state of exception “the closest thing to an ever less democratic system”.
- Not what you may have read A group of RN deputies led by Diego Schalper filed eight amendments on 19 August and pledged support, while RN’s president kept her distance.
- The UDI position Guillermo Ramírez said that as things stand the UDI cannot back the reform because it damages the institutional order.
- Kast’s answer “It surprises me that great debates are being generated on the basis of drafts.”
A president with a mandate on crime cannot find the votes for his own crime bill, and the resistance is coming from his right.
José Antonio Kast won the presidency on a promise to get a grip on crime. Five months in, the Kast security reform is filed and the constitutional changes are on the table — and the people telling him no are not the left. They are the libertarians who helped put him there, and they are calling it a step toward a less democratic system.

What the Kast security reform actually proposes
The government filed a reform bill containing eight changes to the constitution in the Senate on Monday 17 August, with “suma urgencia”, which compresses discussion to 15 days. Kast had announced the package in a national address on 5 August and signed the text at La Moneda on 10 August.
The piece causing the trouble is a new constitutional state of exception for serious threats to public security. It runs an initial 120 days, which the president can extend once by another 120 without going back to Congress — eight months as an outer limit. Critics read that as a long suspension of ordinary rights with little consent along the way.
One thing the reform does not do, despite widespread confusion, is create a security ministry. Chile already has one; Martín Arrau has run it since 19 May 2026, when Kast replaced his first security minister, Trinidad Steinert.
The revolt is on the right
Johannes Kaiser leads the Partido Nacional Libertario. He ran against Kast in 2025 and then backed him, and his party’s votes are part of any governing arithmetic. He has now said the reform “includes the creation of a new state of exception that would last up to eight months without the consent of Congress, with extremely invasive restrictions on rights protected by the Constitution”, and that in the passage of the bill “limits will have to be put on this, or it will have to be rejected if it cannot be modified and left acceptable”.
His sister, PNL senator Vanessa Kaiser, said she is not available to approve a project in which many of the proposals belong in ordinary law rather than in the constitution, and that the reform “is not going to change absolutely anything” about crime. The party has separately pressed the government on legal protection for police, calling the Nain-Retamal 2.0 law “not even close to sufficient”.
From the traditional right, UDI president Guillermo Ramírez said on 16 August, before the text existed, that “under current conditions, the UDI cannot support the constitutional security reforms because they damage the institutional order”.
What Renovación Nacional actually did
This is where the story has been garbled in circulation. Renovación Nacional, the other large party of the Chilean right, did not dismiss the reform. On 19 August four of its deputies — Diego Schalper, Eduardo Durán, Mauro González and Juan Carlos Beltrán — sent eight amendments to ministers and to the Senate constitution committee, pledging to support the government’s security agenda. The party’s president, senator Andrea Balladares, has been cooler, saying the government did too little pre-legislative work.
RN’s president, senator Andrea Balladares, put it plainly: “we have a text presented that still has plenty of doubts, there is room to improve it”.
So the shape of the problem is not a right that has abandoned Kast. It is a right that will trade its votes for changes, from at least three directions at once, on a bill the government filed with maximum urgency.
Kast is short of the numbers
Constitutional reform here needs a four-sevenths supermajority, which means 29 votes. Evópoli’s president, Luciano Cruz-Coke, reckons the government does not have “even its own 26”. Kast is negotiating from a modest position. He responded to the criticism by trying to lower the temperature: “it surprises me that great debates are being generated on the basis of drafts”, he said, adding that it was positive for different voices to raise concerns about matters that worry them.
That is the language of a president who intends to amend rather than fight. The alternative — forcing a vote he might lose on his signature issue in his first year — is worse.
Why this matters if you live in Chile
If you live here, the immediate question is whether the emergency powers ever arrive, and in what form. A state of exception lasting up to eight months is not an abstraction: it changes what police can do, what courts review, and how long any of it lasts, in the place where you live.
The wider signal is about how this government will work. Kast has a mandate on crime and a legislature that will not simply hand him the tools. The pattern set here — file with maximum urgency, absorb criticism from allies, amend — is likely to repeat on pensions, on migration and on tax.
Frequently Asked Questions
What is in the Kast security reform?
Eight constitutional amendments filed in Chile’s Senate on Monday 17 August 2026 under a 15-day “suma urgencia” fast track. The central and most contested element is a new constitutional state of exception for serious threats to public security, which could last up to eight months. The reform does not create a security ministry — Chile already has one, run by Martín Arrau since May 2026.
Who in Kast’s own camp opposes it?
Johannes Kaiser’s Partido Nacional Libertario has said limits must be placed on the text or it should be rejected, and PNL senator Vanessa Kaiser said she is not available to approve it and that it would change nothing about crime. The UDI’s Guillermo Ramírez said his party cannot support the reforms as drafted because they damage the institutional order.
Did Renovación Nacional reject the reform?
Not uniformly. Four RN deputies led by Diego Schalper filed eight amendments on 19 August and pledged support, while the party’s president, senator Andrea Balladares, has withheld hers, saying the government did too little preparatory work before filing.
Is José Antonio Kast the president or the president-elect?
He is the sitting president. Kast won the runoff on 14 December 2025 and was sworn in on 11 March 2026, succeeding Gabriel Boric.
Connected Coverage
Boric and Matthei Criticise Chile’s Kast Security Reform
Sources: La Cuarta — Johannes Kaiser joins the rejection of Kast’s security proposal; El Mostrador — Kast moves his pieces with RN and UDI but remains far from the quorum; BioBioChile — RN files amendments and commits support; The Clinic — Kast on the security reform controversy
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