From MercoPress · · 1m 10s
Argentina's Sea Lion Ultimatum Deadline
Argentina's two-week deadline to halt UK's Sea Lion oil project expires October 12, 2026.
In brief
Argentina's two-week deadline to halt UK's Sea Lion oil project expires October 12, 2026. Argentina's Sea Lion oil project in the Falklands faces no automatic suspension when its two-week ultimatum to the UK expires on October 12, 2026, per legal analysis. Originally reported by MercoPress.
Argentina's Sea Lion Ultimatum Deadline
Argentina gave the UK a two-week deadline to halt the Sea Lion oil project in the North Falklands basin by October 12, 2026.
Legal Analysis Clarifies Deadline
A legal analysis states the deadline does not automatically suspend the project or establish a UK breach of the UN Convention on the Law of the Sea.
Milei Orders Arbitration
President Javier Milei ordered on September 28 the start of arbitration under Annex VII of the UN Convention on the Law of the Sea.
Arbitration Process Details
Argentina chose the Hamburg tribunal as its first preference while the UK chose the International Court of Justice for the dispute resolution.
Jurisdiction Limitations
Convention tribunals can only rule on interpretation or application, not territorial title, per legal precedents from 2015 and 2020.
What matters most
Argentina's Sea Lion oil project in the Falklands faces no automatic suspension when its two-week ultimatum to the UK expires on October 12, 2026, per legal analysis.




