Argentina Promulgates an Extradition Treaty With Chile and Hardens Its Malvinas Law
Key Facts
Two decrees published in Argentina’s official gazette on Friday put a long-negotiated extradition treaty with Chile into force. A third measure, sent to Congress the day before, points in a more confrontational direction.
The treaty was signed in Santiago in December 2023 and approved by Congress on 27 August. It becomes law 27,824, promulgated by decree 1032 of 2026.
The Treaty With Chile
Argentina and Chile share the world’s third-longest land border. An extradition treaty between them is a practical instrument rather than a symbolic one.
The agreement replaces an older framework that had grown unwieldy. Both countries have had cases stall on procedural grounds in recent years.
Chile’s own security debate has sharpened the need. Cross-border organised crime has been a central political issue there since 2023.
Argentina has its own version of that argument. Rosario’s drug violence has driven several security measures over the same period.
The treaty’s promulgation completes the Argentine side. It was signed under a previous government and carried through by this one, which is not always the fate of such agreements.
Congress approved both instruments on the same day in August. Neither attracted significant opposition during the debate.
The Second Instrument Is Not Bilateral
Law 27,825 has been widely described as an Argentina-Chile digital cooperation agreement. It is not.
It adopts the Ibero-American convention on the electronic transmission of international judicial cooperation requests. That agreement was signed in Medellín in July 2019 and covers the Ibero-American region.
The platform it establishes is known as Iber@. It allows courts to send requests electronically rather than through diplomatic channels.
The practical effect for Argentina is speed. Judicial cooperation requests that took months through embassies can move in days.
That matters most in cases where evidence degrades or suspects move. Cross-border fraud and trafficking cases are the obvious beneficiaries.
The error in describing it as bilateral is easy to make. Both laws were promulgated on the same day and reported in the same paragraph.
The Malvinas Bill
The government sent a bill to the Chamber of Deputies on Thursday called the National Sovereignty Defence Law. It replaces legislation dating from 2011.
The existing law covers hydrocarbons exploration without Argentine authorisation. The new text would extend that to any natural resource, renewable or not, on the Argentine continental shelf.
Its geographic scope covers the Malvinas, South Georgia, the South Sandwich Islands and surrounding maritime areas. Argentina claims all of them and Britain administers them.
The penalties are severe. Fines run from 4,000 to 500,000 barrels of oil equivalent, prison to twenty years, and disqualification from five to twenty.
The Register That Goes Further
The bill would bar offenders from operating anywhere in Argentina, not only in the disputed area. It also creates a public register of offenders, and bars both state bodies and private parties from contracting with them.
It establishes a National Security Council chaired by the president. That body would hold powers over currency restrictions, asset freezes and the suspension of authorisations.
Most contentious is what it writes into law about terrorism financing. It incorporates an existing public register of persons and entities linked to terrorism and its financing.
Inclusion on that register requires only reasonable grounds for suspicion. No conviction is needed, and inclusion triggers immediate asset freezes and exclusion from state contracts.
The Same Week in the South Atlantic
An Argentine court issued an injunction the same day against the Sea Lion project. Rockhopper Exploration and Navitas Petroleum are the companies behind it.
That is the practical expression of the policy the bill would codify. The court order operates on companies, while the bill would operate on people.
Britain’s position is unchanged and the islanders’ is unchanged with it. Neither responds to Argentine domestic legislation.
The islands have run their own hydrocarbons licensing round for years. Argentine law has no force there, which is precisely why the bill targets companies rather than territory.
What such measures do affect is the calculation of third parties. Service companies weighing Falklands work now face a register they can enter without a trial.
That is the mechanism’s intended effect rather than an accident of drafting. Deterrence works on the willing rather than on the committed.
The bill now goes to committee in the Chamber of Deputies. Its anti-terrorism provisions are the part most likely to be contested there.
Argentine sovereignty legislation rarely divides the chamber on party lines. The claim itself is written into the constitution and commands support across almost the whole political spectrum.
Frequently Asked Questions
What did Argentina promulgate on Friday?
Law 27,824, the extradition treaty with Chile signed in Santiago in December 2023, and law 27,825, adopting the Ibero-American electronic judicial cooperation convention. Both were approved by Congress on 27 August.
Is the digital cooperation agreement with Chile?
No. It is the Ibero-American convention signed in Medellín in 2019, covering the whole region rather than Chile alone.
What does the Malvinas bill change?
It extends sanctions from hydrocarbons exploration to any natural resource on the Argentine continental shelf, with fines of 4,000 to 500,000 barrels of oil equivalent and prison of up to twenty years.
What is the anti-terrorism register?
An existing public register of persons and entities linked to terrorism and its financing. The bill writes it into the sovereignty law, with inclusion requiring only reasonable grounds for suspicion.
What happened with Sea Lion?
An Argentine court issued an injunction against the project the same week. Rockhopper Exploration and Navitas Petroleum are the companies involved.
Sources: Infobae on the two promulgated instruments, Parlamentario on the extradition treaty promulgation, MercoPress on the sovereignty bill and the registry, Buenos Aires Times on the bill’s passage to Congress, MercoPress on the earlier trailing of the bill
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