US Citizenship and Immigration Services released a revised version of Form I-9, Employment Eligibility Verification on July 17, 2017. On September 18, 2017, employers must use the revised form with a revision date of 07/17/17 N. USCIS revised the Form I-9 instructions as well as the list of acceptable documents on Form I-9.
USCIS also published the updated M-274, Handbook for Employers: Guidance for Completing Form I-9. The Handbook for Employers provides employers with detailed guidance for completing Form I-9, Employment Eligibility Verification. The new version, dated July 2017 replaces the previous version.