This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.
It shall apply from 14 December 2019.
However, the following provisions shall apply in each Member State from the date on which the customs electronic data-processing techniques referred to in Article 6(1) of Regulation (EU) No 952/2013 become operational in that Member State or from 1 March 2023, whichever is the earlier:
point (c) of Article 4;
point (f) of Article 5(1);
point (c) of Article 6.
The Member States shall inform the Commission and the other Member States of the date on which those electronic data-processing techniques become operational.