How To Write A Letter Describing A Transfer Of Funds . Give a precise why you want to transfer. {organization name} has been in operation since {date}. You Can See This Valid Letter format for Bank Fund Transfer At Valid from www.pinterest.com Proof of funds is generally used if you would like to buy a home with cash. Include all relevant details, including names and financial amounts. If you are an individual and not a lender, enclose accompanying documentation, such as a bank statement to reassure the recipient that you can meet the commitment.