Home Forums Green Card & Citizen AC21 을 통한 이직 관련 서류 AC21 을 통한 이직 관련 서류 Home Forums Forums Green Card & Citizen AC21 을 통한 이직 관련 서류 EditDelete 123 129.***.75.190 2019-11-2015:40:54 I submitted Supplement J by myself. You have to show or hand in offer letter. Offer letter should verify your job title, salary, and work location. You don’t have to hire an attorney. BUT, you need a signature from HR representative