This will be entirely at the discretion of the region managing your application but will be communicated when you are told you may begin choosing your preferences.

Generally speaking, preferences will be closed around the time of interview for the specialty n question most probably shortly afterwards. However, this is not always the case if regions need more time to confirm their available programmes.

Recruitment staff are keen to give candidates as much time as possible to give preferences; but equally, they cannot begin making offers while preferences are still open. As their is a 'first offers deadline', preferences must close in advance of this.