Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. You, as an employer, must complete a Form I-9 for every new em- ployee you hire after November 6, 1986 .Form I-9 must be correctly completed within three business days of an employee's hire date. I'm going to walk you through how to fill out form i-9 employment eligibility verification which can be downloaded from USCIS gov. Enter current address and date of birth. All employees hired after November 6, 1986, are required to have an Employment Eligibility Verification Form (DHS Form I-9) on file with the employer. On the Form I-9, an employee must attest to his or her employment authorization. The Form I9 is used to verify the identity and employment authorization of individuals hired to work in the US. The United States Citizenship and Immigration Services (USCIS) recently issued a revised version of the I-9 Form and a List of Acceptable Documents.