USCIS released a revised version of Form I-9, Employment Eligibility Verification, on July 17. Instructions for how to download Form I-9 are available on the Form I-9 page. Employers can use this revised version or continue using Form I-9 with a revision date of 11/14/16 N through Sept. 17. On Sept. 18, employers must use the revised form with a revision date of 07/17/17 N. Employers must continue following existing storage and retention rules for any previously completed Form I-9.
For more details on the revisions visit this link: https://www.uscis.gov/news/alerts/revised-form-i-9-now-available