Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. All new employees must complete a variety of new hire documents and complete an I-9 and E-verify process during their first days of employment.Complete the personal information section of Form I-9, which should take up to 10 minutes. Arizona Free Form I-9. Utilize our I-9 form to authenticate a new employee's identity and confirm their eligibility to work in the United States. All US employers must complete a Form I-9 for a new hire to verify that the new hire is eligible for employment in the US. The I-9 form is for Employment Eligibility Verification. An employer is required to file an I-9 form to verify the identity of employees hired in the US. Form I-9 (Employment Eligibility Verification). All US employers must complete a Form I-9 for a new hire to verify that the new hire is eligible for employment in the US.