English: relief for notional transactions associated with assignments of rights

Welsh: rhyddhad ar gyfer trafodiadau tybiannol sy'n gysylltiedig ag aseinio hawliau

Noun, Masculine, Singular

Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.