My application was also returned today due to issues with my daughter birth certificate translation. There are three notes attached on top of each package, my wife ,myself and my daughter. On my wife and my applications the notes say that the applications were complete and it was returned because the application of a member of the family was incomplete. On my daughter application there is a two page note that provides me with an option to either reapply after completing the package and sign that page or request a refund online. Therefore, I believe it is ok to just resend the application as it is after attaching the missing documents.