Mae'r Ysgrifennydd Cyllid, Mark Drakeford yn lansio ymgynghoriad 12 wythnos heddiw ynghylch mesurau i wella'r dull o gasglu ardrethi annomestig yng Nghymru.
Finance Secretary Mark Drakeford today launches a 12-week consultation about measures to improve the collection of non-domestic rates across Wales.