Fe gyhoeddwyd hefydDdatganiad Ysgrifenedigar 16 Rhagfyr, yn amlinellu manylion her gyfreithiol bosibl i Fil y Farchnad Fewnol y DU. Rwyf wedi gofyn am ymateb gan Lywodraeth y DU ymhen 14 o ddiwrnodau.
I also published aWritten Statementon 16 December which outlined details of a possible legal challenge to the UK Internal Market Bill. We have asked for a response from the UK Government within 14 days.