The form is fillable. Gather your proof of identity and authorization to work in the US. Acceptable proof documents are listed on page 4.Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. The I9 form is a federal document that verifies an employee's identity and US work authorization. Completed and signed Form I-9; Document(s) used to verify eligibility to work in the U.S.; NY State Labor Form. Step 10 – Financial Aid Office Review. All employees must complete this form and provide valid original identifications. You are not eligible for pay until you have completed your I-9.