In this update, we announce the addition of a new sample communication. Sample Direct Loan Information Letter for UK Student Visa Applications.Find out how much money you need to get a Student or Child Student visa, and how to prove you have the money. Loan letters​​ The letter should be dated no more than six months before the date you submit your visa application. For a standard form of payoff letter, with integrated drafting tips and explanatory notes, see Standard Document, Payoff Letter.