If you submit a new application, the application received the earliest will remain as your 1st, 2nd and 3rd choice and your second application will be added as your 4th, 5th and 6th choice.
Os ydych yn cyflwyno cais newydd, y cais a ddaeth i law gyntaf fydd eich dewis 1af, 2il ddewis a 3ydd dewis o hyd, a bydd eich ail gais yn cael ei ychwanegu fel eich 4ydd, 5ed a 6ed dewis