(b) the duties to use Welsh which are (or may be) imposed by law, and the rights which arise from the enforceability of those duties,
(b) i’r dyletswyddau i ddefnyddio’r Gymraeg sydd wedi eu gosod (neu a all gael eu gosod) drwy gyfraith, a’r hawliau sy’n deillio o allu gorfodi’r dyletswyddau hynny,