UC - Reason for Transferring

Hi everyone,
I’m about to submit my application for transferring from UC to UC. I was wondering if admissions expected a compelling reason for transfer, like some other colleges? If so, where do I write it? Should I write it under additional comments (after the personal statement)? My reason for transferring is because my major isn’t offered at my campus and we have no department for it.
Thank you!

how was the process and were you able to get in ?