Analysis of information sources in references of the Wikipedia article "European Communities Act 1972 (UK)" in English language version.
repeal European Communities Act 1972 international law dualist.
On exit day (29 March 2019) the EU (Withdrawal) Act 2018 will repeal the ECA. It will be necessary, however, to ensure that EU law continues to apply in the UK during the implementation period. This will be achieved by way of transitional provision, in which the Bill will amend the EU (Withdrawal) Act 2018 so that the effect of the ECA is saved for the time-limited implementation period...The Bill will make provision to end this saving of the effect of the ECA on 31 December 2020.
The European Union (Withdrawal) Act repeals the ECA on the day the UK leaves the EU (defined in section 20 as 11.00pm on 29 March 2019).