Overview
- President Javier Milei announced the designation and Bullrich confirmed it on X, sharing a video in which Milei says she will be the Senate point person.
- Bullrich is set to take over on December 10, when the new Congress is seated, to lead an expanded 20-member La Libertad Avanza caucus whose membership lists were published by media.
- Ezequiel Atauche, the outgoing bloc chief, publicly endorsed Bullrich’s leadership and said he will work with her to advance agreements.
- Provisional Senate president Bartolomé Abdala welcomed the change, and reporting indicates he could continue in his post.
- Bullrich’s task includes lining up support for the government’s priority agenda in extraordinary sessions, notably the 2026 Budget and labor and tax changes, with some outlets framing the move as consolidating control in the upper house.