Article 12 Entry into force and application
United Kingdom
This Regulation shall enter into force on the day following that of its publication in the Official Journal of the European Union.
It shall apply from the day following that on which the Treaties cease to apply to the United Kingdom pursuant to Article 50(3) TEU.
However, this Regulation shall not apply if a withdrawal agreement concluded with the United Kingdom in accordance with Article 50(2) TEU has entered into force by that date.
This Regulation shall cease to apply on 31 December 2019.