H4 EAD Documents Checklist USCIS is an important document for immigrants who wish to work in the United States. The checklist outlines documents needed to apply for Employment Authorization Document (EAD), which is required by U.S. Citizenship and Immigration Services (USCIS). Having this checklist ensures that individuals have all of the necessary materials to be able to apply for an EAD and properly navigate the process, making the process easier and smoother. Furthermore, it also helps individuals identify any potential issues or mistakes before submitting their application, increasing their chances of it being accepted by USCIS.