This Agreement shall enter into force on 30 March 2019. In the event that, prior to that date, the depositary of this Agreement has not received the written notification of the completion of the necessary internal procedures by the Union and the United Kingdom, this Agreement shall not enter into force.

When making the written notification referred to in this Article, the Union, in respect of any Member State which has raised reasons related to fundamental principles of national law of that Member State, may declare that, during the transition period, in addition to the grounds for non-execution of a European arrest warrant referred to in the Framework Decision 2002/584/JHA, the executing judicial authorities of that Member State may refuse to surrender its nationals to the United Kingdom pursuant to a European Arrest Warrant. In such a case, the United Kingdom may declare, no later than 1 month after the receipt of the Union's declaration, that its executing judicial authorities may refuse to surrender its nationals to that Member State.

Parts Two and Three, with the exception of Article 19, Article 34(1), Article 44, and Article 96(1), as well as Title I of Part Six and Articles 169 to 181, shall apply as from the end of the transition period.

The Protocol on Ireland/Northern Ireland shall apply as from the end of the transition period, with the exception of the following provisions of that Protocol that shall apply as from the entry into force of this Agreement:

– Articles 1 to 3, Article 14(3), Article 16, Article 17(1) to (4), Article 17(6) and Article 21;

– the last sentence of the third subparagraph of Article 6(1), the fourth subparagraph of Article 6(1), the last sentence of the fifth subparagraph of Article 6(1), and the sixth subparagraph of Article 6(1);

– the second sentence of the first subparagraph of Article 6(2);

– the last sentence of Article 12(2);

– the third sentence of Article 4(3) of Annex 2;

– Article 5(2) of Annex 2;

– the second sentence of Article 4(1) of Annex 3;

– Article 8(1) of Annex 3;

– the first sentence of the second subparagraph of Article 13 of Annex 3;

– Articles 1(4) and 2(3) of Annex 4;

– the last sentence of Article 7(2) of Annex 4;

– the first subparagraph of Article 8 of Annex 4;

– the first subparagraph of Annex 9.

The Protocol relating to the Sovereign Base Areas of the United Kingdom of Great Britain and Northern Ireland in Cyprus, with the exception of Article 11 thereof, shall apply as from the end of the transition period.

The Protocol on Gibraltar, with the exception of Article 1 thereof, shall cease to apply at the end of the transition period.

Done on ....