DUP MP Ian Paisley said any deal between the UK and the EU also had to deal with the role of the ECJ as the final arbiter in protocol-related trade disputes.

Source: https://carlow-nationalist.ie/2023/02/06/progress-being-made-on-protocol-deal-but-difficulties-remain-eu-says/

The commission's lawyer, Paul-John Loewenthal, told the European Court of Justice (ECJ) that there had been a "breach of procedure" and "numerous other legal errors" when the lower court heard the case.

Source: https://www.legit.ng/business-economy/1535902-eu-battles-court-overturn-apple-tax-bill-ruling/

The European Court of Justice (ECJ) said the government had not complied with several deadlines to improve.

Source: https://greekreporter.com/2023/03/05/greece-convictions-eu-courts/

The PM used the summit to push for closer cooperation on tackling small boat crossings after his plans to deport asylum seekers to Rwanda were thwarted by an order from the European Court of Justice (ECJ).

Source: https://www.alloaadvertiser.com/news/national/23871714.timeline-rishi-sunaks-first-year-office/?ref=rss

The Telegraph newspaper said earlier this month that the exact role of the ECJ was likely to be presented differently by the EU and Britain.

Source: https://www.marketscreener.com/quote/currency/EURO-BRITISH-POUND-EUR-4593/news/Explainer-Talks-on-post-Brexit-Northern-Ireland-trade-edge-closer-to-deal-43034143/?utm_medium=RSS&utm_content=20230220

Why should there be any need for the Northern Irish courts to refer anything to the ECJ?” said Mr Jones.

Source: https://www.independent.co.uk/news/uk/politics/brexit-protocol-deal-vote-tories-b2274684.html