"Thank you for your attempted application for leave to remain in the United Kingdom. For the reasons set out below we must return your application as invalid. Please read this letter to ensure that you understand how to make a valid application. Reasons why the Application is Invalid Where an application form has been specified in accordance with the Immigration Rules... the application must comply with the requirements set out in paragraph 34A of these rules and The Immigration (Biometric Registration) Regulations. The relevant requirements are listed below and a cross in the box indicates that a requirement is not met. ... [X] Any section of the form which is designated as mandatory in the application form and/or related guidance notes must be completed as specified. (We have highlighted the relevant specified parts on the form that have not been completed) ... [X] The application or claim must be accompanied by the documents specified as mandatory in the application form and/or related guidance notes. (We have highlighted the relevant documents specified on the form) ... Arrangements will be made to refund any fee which you have included with this invalid application. Please be aware that your attempted application has been rejected as invalid under the immigration rules, if you choose to submit a fresh application, the date of your application will be the date that this fresh application form is submitted; that is the date that it is posted, delivered by courier or accepted at a public inquiry office. Please also ensure when submitting a fresh application, that any documents enclosed cover the dates relevant to the fresh application (the date of your resubmission)."
"If there is any problem with the validity of the application, such as missing documentation or omissions on the form, a caseworker will write to you as soon as possible to advise what action you need to take to rectify the problem."