The President Javier Milei signed Decree 866/2025 this introduces significant changes to the organization chart National Public Administrationwith the aim of “optimizing government management”.
The Standard, published this Monday in the Official Gazettechange the Decree 50/2019 and adjusts the structure of various departments of the National Executive After the changes brought about by the Decrees 658/25, 793/25 And 825/25 for the Ministry Law No. 22,520.
Suppression of the Secretariat for Communications and Media
One of the central points of the decree is the deletion of the relevant section Secretary for Communications and Media as a dependence on Presidency of the Nation.
Its functions were taken over by the new one Communications and Press Secretariatwhich happens to operate within the orbit of the Head of the Cabinet of Ministers powered by Manuel Adorni.
This secretariat is responsible for the communication policy of the Nation statethe relationship with public media and the management of companies such as Radio and Television Argentina SE, Public SE content and the State advertising agency SAU
New Chief of Staff structure
The Head of the Cabinet of Ministers It consists of six secretariats: Legal and administrative coordination, Strategic questions, executive, Innovation, science and technology, Tourism and environmentAnd Communication and press.
The Ministry of Tourism and Environment absorbs the previously dependent areas of tourism and the environment Ministry of the Interiorwith the exception of the Undersecretary of State for Sport.
The transfer includes “organizational units, assets, foundations, personnel with their respective positions, levels, additions and review statuses, as well as budget credits,” as specified in Article 21 of the Decree.
Reorganization of the Ministry of the Interior
He Ministry of the Interiorresponsible for Diego Cesar Santilliis divided into three secretariats: Legal and administrative coordination, Inside And Provinces and municipalities.
A significant innovation is the creation of the Undersecretariat of the National Institute of Indigenous Affairs inside Interior Minister.
The decree stipulates that the National Institute of Indigenous Affairs (INAI) becomes an organizational unit that is integrated into the Head of the Cabinet of Ministersas provided by the Decree 438/25.
The Undersecretary of State for Sport stays in the Ministry of the Interior and maintains its functions related to sports promotion and coordination with the ENARDHe Argentine Olympic Committee and the Argentine Paralympic Committee.
Changes in the Ministry of Economic Affairs
He Ministry of Economic Affairsled by Luis Andres Caputointegrates the new Nuclear Affairs Secretariat with two undersecretaries: Nuclear engineering applications And Nuclear policy.
This Secretariat will be responsible for “the definition of nuclear policy in all areas related to the peaceful uses of nuclear energy or radioactive sources, the fuel cycle, the management of radioactive waste, the development and research of nuclear activities.”
In addition, it exercises guardianship control over the National Atomic Energy Commission (CNEA) and will participate in actions related to the exploitation of “rare earths” and nuclear minerals.
Changes in the Ministry of Energy
The Energy Minister updates its goals and those of the Undersecretariat for Electrical Energywith a focus on renewable energy, energy efficiency, electromobility, biofuels and hydrogen.
The organization maintains supervisory control over the ENREHe ENARGAS and the UESTEEand will participate in the application of the Incentive system for major investments (RIGI) founded by the Law 27,742.
Ministry of Health
He Ministry of Healthled by Mario Ivan Lugonesreorganize yours Administrative Management Secretariat with the formal incorporation of two undersecretaries: Administrative coordination And Legal.
Ministry of National Security
The decree contains a new goal for the Minister of National Security of the ministry that leads Alejandra Susana Monteoliva: “Participate within the framework of your authority within the framework of the General Law on the Recognition and Protection of Refugees No. 26.165.”
Validity and transition
The measure took effect on the day it was published, December 6, 2025. The decree stipulates that the structural openings at a level below the Undersecretary of State will remain in effect until the restructuring is completed.
The expenditure of the affected areas will be covered by the budgetary resources allocated in the participating jurisdictions until the appropriate adjustments are made.
The decree bears the signatures of the President Milei and the ministers Adorni, Santilli, Caputo, Lugones And Monteoliva
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