"Arrangements will be made to refund any fee which you have paid if we have not received a valid application within 28 days of the date of this letter. . . . If you still wish to make an application for leave to remain you must return your application forms using the enclosed address label. The application forms must not be returned to the address given on the application forms."
"Does the student receive support from a financial sponsor that meets the UK Border Agency definition of an official financial sponsor?"