12 years ago By Chief Editor Beginning May 7, 2013, employers must only use the new version Form I-9 that has revision date 03/08/13 (Rev. 03/08/13)N. For reverification and rehires the new version of the Form I-9 (Rev. 03/08/13)N must be used. Profession/Occupation Employers and HR Agency USCIS Immigration Law Forms