Source: USCIS, 1/26/17

Which Form I-9 should I Use?
• Beginning Jan. 22, 2017, employers must only use the revised version Form I-9, Employment Eligibility Verification, dated 11/14/2016, to verify the identity and work eligibility of every new employee hired after Nov. 6, 1986. 

Which Form I-9 should I use for reverification?
• Reverification of expiring employment authorization for existing employees must be completed using the revised version, dated 11/14/2016. 

On or after Jan. 22, 2017, will prior versions of Form I-9 be valid for use?
• Prior versions of the form will no longer be valid for use. 

What should I do with the previously completed Form I-9?
• Employers should continue to follow existing storage and retentions rules for all of their previously completed Form I-9. 

Are there penalties?
• Employers who fail to use Form I-9 (11/14/2016 N) on or after Jan. 22, 2017 may be subject to all applicable penalties under section 274A of the Immigration and Nationality Act, 8 U.S.C. 1324a, as enforced by U.S. Immigration and Customs Enforcement (ICE). 

Where can I find the latest Form I-9 and more information?
• Visit I-9 Central
• Join a free Webinar 
• Request a customized webinar for your business.