Only the Education Tribunal for Wales, Valuation Tribunal for Wales and residential property tribunal rules specifically state that documents can be sent by email.
Dim ond rheolau Tribiwnlys Addysg Cymru, Tribiwnlys Prisio Cymru a’r tribiwnlys eiddo preswyl sy’n datgan yn benodol y gellir anfon dogfennau drwy e-bost.