Demarcated area 10 comes into force on 24 January 2023 replacing Demarcated Area 5 (Demarcated area map) which was issued on 21 April 2022.
Daw Ardal a Ddarnodir 10 i rym ar 24 Ionawr 2023 gan ddisodli Ardal a Ddarnodir 5 (map Ardal a Ddarnodir) a gyhoeddwyd ar 21 Ebrill 2022.