The document provides instructions for completing Form I-9, which is used to verify employment eligibility in the United States. The form has three sections. Section 1 is completed by the employee to provide identity and employment authorization information. Section 2 is completed by the employer to examine identity and work authorization documents within 3 days of hire. Section 3 is for updating and reverifying employment authorization for current employees. Employers must retain completed I-9 forms for 3 years after hire or 1 year after employment ends.