Yes you can ring up UCAS and they will change your choices for you. (Original post by princesssmithee). sorry to be a bother but I read that the message on your ucas chnages to 'Application has been sent for consideration' and you cant change it after you've got that message.ut if you know your college has sent it off then it really doesnt make a difference whether you have your letter or not-as long as you are within 14 days of your college sending it off. I rung UCAS and they were lovely and willing to help, but they also told me i could change my choices using Track on the UCAS website.