GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Trwy ddefnyddio ei hawliau h.y. eu defnyddio i hawlio taliad, mae ffermwr yn cadarnhau eu bod yn eiddo iddo. Y gair am hyn yw 'sefydlu'. Ond gofalwch, mae’r ystyr wedi esblygu i olygu ‘cael hawliau/dyrannu hawliau’.