I had filed I-130 for my parents and they had an interview on Thursday. For I-864 (Affidavit of support) I did not meet the Income Requirements so I used my Checking and Saving account statements to make up for it. NVC kept on processing the application but at the time of interview the local embassy did not accept the latest return, although they did not explicitly mention anything about it. They simply handed my parents Refusal worksheet stating that I needed to get a Joint sponsor. My Checking account balance was more than twice required to make up the deficiency in the tax return. Can someone please advise what should be done in such a case? I tried to look up online but couldn't find anything reliable. Some posters on various sites advised using an original letter from the bank showing my average balance for one year.