Many of you may have recently received offers to live in residence, and it is very important that you accept your offer and pay the first installment of residence fees to secure your space before the offer’s expiry date.
From the date we email your residence offer you have seven (7) days to respond. If you fail to accept your time-limited offer of residence before the expiry date, the offer will be withdrawn and your residence application will be cancelled. Additionally, any priority access benefits, including the first-year residence guarantee (if applicable) will be terminated.
Read more at http://blog.students.ubc.ca/ubcfyi/2013/06/04/dont-forget-to-accept-your-ubc-student-housing-offer/