Gather these documents to submit with your visa application and bring when you travel. About the documents listed -- Not all documents listed below are required—some are optional. -- This is not an exhaustive list of acceptable proof to support your visa application. -- Only submit the recommended documents that prove you’re eligible for a visa. -- Even if you submit all the documents listed, there is no guarantee that we’ll approve your application. -- We may request more information from you in addition to what is listed here.