Proof of funding demonstrating the ability to pay for estimated education and living expenses in the US, including for dependents, will be required. Expert cover letter writing services for your visa application.1) PREPARE your application - Required Documents below. Use a formal tone and format, addressing the head of the embassy and using a professional tone. Attach bank statements from the last three months and a copy of the last tax return. Please download the Application Form from our website only and request for Form Filling assistance if needed at the time of your appointment. The following are the basic steps to complete your request for a background check. B) Application Form. The mission of the United States Embassy is to advance the interests of the United States, and to serve and protect U.S. citizens. After you've finished the outline, you can begin writing your letter of instruction and filling in the details.