If you are unhappy with the way in which your personal data has been processed and wish to raise a complaint, please do so by one of the methods described above.
Os ydych chi’n anhapus â’r modd y cafodd eich data personol ei brosesu, ac yn dymuno codi cwyn, gwnewch hynny drwy un o’r dulliau a ddisgrifiwyd uchod.