
Article 1 

1. The Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the European Atomic Energy Community for Cooperation on the Safe and Peaceful Uses of Nuclear Energy is hereby approved on behalf of the European Atomic Energy Community.Subject to reciprocity, the agreement referred to in the first subparagraph shall be applied on a provisional basis as from 1 January 2021, pending the completion of the procedures necessary for its entry into force and of the procedures referred to in paragraph 3.
2. The Trade and Cooperation Agreement between the European Union and the European Atomic Energy Community, of the one part, and the United Kingdom of Great Britain and Northern Ireland, of the other part, as regards matters falling under the Euratom Treaty, is hereby approved on behalf of the European Atomic Energy Community.Subject to reciprocity, the agreement referred to in the first subparagraph shall be applied on a provisional basis as from 1 January 2021, pending the completion of the procedures necessary for its entry into force and of the procedures referred to in paragraph 3.
3. The versions of the Agreements in the Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Irish, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish and Swedish languages shall be subject to final legal-linguistic revision.The language versions resulting from the legal-linguistic revision referred to in the first subparagraph shall be established as authentic and definitive by exchange of diplomatic notes with the United Kingdom.The authentic and definitive texts referred to in the second subparagraph shall replace ab initio the signed versions of the Agreement.
4. The texts of the Agreement referred to in paragraph 1 is attached to this Decision. The text of the Agreement referred to in paragraph 2 is attached to Council Decision (EU) 2020/2252.
Article 2 
The President of the Commission is hereby authorised to designate the person(s) empowered to proceed, on behalf of the European Atomic Energy Community, to give the notification to the United Kingdom provided for in paragraph 4 of Article 5 of the Agreement referred to in Article 1(1). This notification shall contain the list of Member States that informed the Commission of their will not to place technology in the framework of the Agreement referred to in Article 1(1) by the date of entry into force of that Agreement.
Article 3 
The President of the European Comission is hereby authorised to sign the Agreements referred to in Article 1 on behalf of European Atomic Energy Community and designate the person(s) authorised to carry out all necessary steps for the provisional application of the Agreements referred to in Article 1.
Article 4 
This Decision shall enter into force of the date of its adoption.
Done at Brussels, 29 December 2020
Ursula VON DER LEYEN
President of the Commission