If you want better UK-EU relations, you need to implement Windsor Framework in full, EU warns Starmer | Belfast Telegraph

“The European Commission has become frustrated by inaction in carrying out required trade checks on shipments between GB and Northern Ireland, Brussels sources said.” 
https://m.belfasttelegraph.co.uk/news/northern-ireland/if-you-want-better-uk-eu-relations-you-need-to-implement-windsor-framework-in-full-starmer-warned/a381322262.html