2013lucky

For H1B extension, discuss this with your attorney and attorney may ask for all documents and enclose that with your application. As long as you have not misrepresented or lied there should not be any RFE

You need to be well prepared before going for Visa interview. So carry all your case related documents, Answer truthful while filling the forms, Speak to the point. Answer only what you have been asked for. Don't volunteer to give extra information.