This new agreement results from renegotiations and aligns trading arrangements with the terms of the UK-EU Trade and Co-Operation Agreement (TCA).
Mae'r cytundeb newydd hwn yn deillio o ailnegodiadau ac mae’n sicrhau cysondeb rhwng trefniadau masnachu â thelerau Cytundeb Masnach a Chydweithredu'r DU-UE (TCA).