Form 1600-a April 28, 2008 The marriage certificate came in the mail so tomorrow the United States citizen and immigration application for advance processing of orphan petition (I600-A) will be sent to Atlanta. Our homestudy will meet up with it and we will be given a appointment for another round of fingerprinting!!!.We will then have ANOTHER background check and then they will issue us another form to be able to bring Kati home!!!!!I am so SICK of paperwork!I can't wait to bring Kati home!!!!!!!This is all so worth it.edit