If you read the rule you will see.
My FLR(O) application reply from
ukba North east yorkshire and the humber region
po box 3468
thank you for your application by the above named on form FLR(O)
It will now passed to case wrok unit .
if there is any problem with your application such as missing documentation,a case wroker will write to you as soon as possible to advice what action you need to take to rectify the problem .if there is an issue with the fee you have paid then your application will be deemed to be invalid and return to you as soon as possible by post.you will be advised on what action you need to take to make a valid application .
Our Advise to all applicant is not to make any non-urgent travel plans until we have decided the application and return the passport or travel documents.
we would appriciate it if you did not enquire about the progress of the application before you hear from us .it is not possible to make enquiries in person about the progress of an application at any of our public enquiry offices .
if you need documents urgently ,please teliphone the number on this letter.
UK BORDER AGENCY (NO NAME )
Please advice on this letter still they can deport me and my family