Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. Examples of many of these documents appear in the Handbook for Employers (M-274).LIST A. Documents that Establish Both Identity and Employment Authorization. Fill out the requested demographic information and click "Next. " You will be asked eligibility questions that you will need to complete. Ohio State uses two tools to confirm employment eligibility of newly hired faculty and staff: Form I-9, the I-9 Database and E-Verify. I'm going to walk you through how to fill out form i-9 employment eligibility verification which can be downloaded from USCIS gov. The purpose of Form I-9 is to verify the identity and employment authorization of individuals. The U.S. Citizenship and Immigration Services (USCIS) has recently revised its Employment Eligibility Verification form, Form I9. Form I9 is used to verify the identity and employment authorization of individuals hired for employment in the United States.