If you have made an early withdrawal but wish to obtain a new assignment in one of the residences during the same academic year, you can apply in one of the sessions Open reservation which will take place throughout the year.
In this case, you will not be required to pay a new security deposit, the one you paid for the previous assignment of the same academic year will be considered valid.
If, on the other hand, you want to obtain a new housing assignment for the academic year. next, you will have to apply in one of the possibilities that will be provided for that academic year and you will be required to pay a new security deposit.