Council Decision (Euratom) 2025/2479 of 21 October 2025 approving the conclusion, by the European Commission, on behalf of the European Atomic Energy Community, of the Agreement between the European Union and the European Atomic Energy Community, of the one part, and the Swiss Confederation, of the other part, on the participation of the Swiss Confederation in Union programmes

Official Journal EN of the European Union L series 2025/2479 16.12.2025 COUNCIL DECISION (Euratom) 2025/2479 of 21 October 2025 approving the conclusion, by the European Commission, on behalf of the European Atomic Energy Community, of the Agreement between the European Union and the European Atomic Energy Community, of the one part, and the Swiss Confederation, of the other part, on the participation of the Swiss Confederation in Union programmes THE COUNCIL OF THE EUROPEAN UNION, Having regard to the Treaty establishing the European Atomic Energy Community, and in particular the second paragraph of Article 101 thereof, Having regard to the recommendation from the European Commission,

Whereas:

(1) On 12 March 2024, by means of Decision (EU, Euratom) 2024/995(1), the Council authorised the Commission to open negotiations with the Swiss Confederation for a broad package of measures related to bilateral relations between the Union and the Swiss Confederation. Those measures were to comprise institutional and State aid provisions in, and, where necessary, specific adaptations to, agreements between the European Union and the Swiss Confederation in fields related to the internal market, an agreement on Switzerland’s participation in Union programmes, and an agreement forming the basis for Switzerland’s permanent contribution towards reducing economic and social disparities between regions. The Council had previously authorised the Commission to open negotiations with the Swiss Confederation on new agreements on electricity, health and food safety, on the participation of Switzerland in the European Union Agencies for the Space Programme and for Railways, and on the amendment of the Agreement between the European Community and the Swiss Confederation on air transport to allow for cabotage.

(2) The Commission has negotiated, on behalf of the Union, a broad package of agreements and protocols (the ‘package’) which includes an Agreement between the European Union and the European Atomic Energy Community, of the one part, and the Swiss Confederation, of the other part, on the participation of the Swiss Confederation in Union Programmes (the ‘Agreement’); Protocols on institutional, State aid and amending provisions for agreements between the European Community and the Swiss Confederation in fields related to the internal market in which Switzerland participates; an Agreement between the European Union and the Swiss Confederation on Switzerland’s regular financial contribution towards reducing economic and social disparities in the European Union; an Agreement between the European Union and the Swiss Confederation on Health; an Agreement between the European Union and the Swiss Confederation on electricity; a Protocol to the Agreement between the European Community and the Swiss Confederation on trade in agricultural products establishing a Common Food Safety Area, and an Agreement between the European Union and the Swiss Confederation on the terms and conditions for the participation of the Swiss Confederation in the European Union Agency for the Space Programme.

(3) The Agreement covers matters falling under competences of the European Atomic Energy Community (the ‘Community’), namely association to the Research and Training programme of Euratom and to the European Joint Undertaking for ITER. The Agreement should therefore be concluded on behalf of the Community as regards matters falling under the Treaty establishing the European Atomic Energy Community (the ‘Euratom Treaty’).

(4) The conclusion of the Agreement by the Commission, acting on behalf of the Community, as regards matters falling under the Euratom Treaty, should be approved. The Agreement should be concluded at the same time as the other instruments of the package and as an integral part thereof.

(5) With the aim to increase the breadth of their cooperation, Article 18(1) of the Agreement provides that the Parties are to apply it provisionally, in accordance with their respective internal procedures and legislation, from 1 January 2025, unless the date of signature is after 15 November 2025, in which case the Parties are to apply the Agreement provisionally from 1 January 2026.

(1) Council Decision (EU, Euratom) 2024/995 of 12 March 2024 authorising the opening of negotiations with the Swiss Confederation on institutional provisions in agreements between the European Union and the Swiss Confederation related to the internal market, on an agreement on the Swiss Confederation’s participation in Union programmes and on an agreement that forms the basis for the Swiss Confederation’s permanent contribution to the Union’s cohesion (OJ L, 2024/995, 26.3.2024, ELI: http://data.europa.eu/eli/ dec/2024/995/oj).

ELI: http://data.europa.eu/eli/dec/2025/2479/oj 1/2EN OJ L, 16.12.2025

(6) The Agreement should therefore be applied provisionally by the Community as regards matters falling under the Euratom Treaty.

(7) Pursuant to Article 18(2) of the Agreement, its provisional application is to cease at the latest on 31 December 2028 if Switzerland, by that date, has not completed its internal procedures necessary for the entry into force of the other instruments of the package.

(8) The signing, provisional application and conclusion of the Agreement as regards matters falling under the Treaty on the Functioning of the European Union is subject to a separate procedure, under that Treaty,

HAS ADOPTED THIS DECISION:

Article 1 The conclusion by the Commission, on behalf of the European Atomic Energy Community, of the Agreement between the European Union and the European Atomic Energy Community, of the one part, and the Swiss Confederation, of the other part, on the participation of the Swiss Confederation in Union Programmes (the ‘Agreement’), including its provisions on provisional application, is hereby approved as regards matters falling under the Treaty establishing the European Atomic Energy Community (the ‘Euratom Treaty’)(2).

Article 2 Prior to its conclusion, the Agreement, as regards matters falling under the Euratom Treaty, shall be signed and shall, subject to reciprocity, be applied provisionally in accordance with Article 18 of the Agreement.

Article 3 This Decision shall enter into force on the day of its adoption(3).

Done at Luxembourg, 21 October 2025.

For the Council The President M. BJERRE

(2) The text of the Agreement is published in OJ L, 2025/2480, 16.12.2025, ELI: http://data.europa.eu/eli/agree_internation/2025/ 2480/oj.

(3) The date from which the Agreement will be provisionally applied will be published in the Official Journal of the European Union by the General Secretariat of the Council.

2/2 ELI: http://data.europa.eu/eli/dec/2025/2479/oj