Article 2 Entry into force and period of application

This Regulation shall enter into force on the day of its publication in the Official Journal of the European Union.

This Regulation shall apply from the day following that on which Union law ceases to apply to and in the United Kingdom pursuant to Article 50(3) of the Treaty on European Union.

However, this Regulation shall not apply in either of the following cases:

1. (a)

   a withdrawal agreement concluded with the United Kingdom in accordance with Article 50(2) of the Treaty on European Union has entered into force by that date;

2. (b)

   a decision has been taken to extend the two-year period referred to in Article 50(3) of the Treaty on European Union.