The USCIS released a new I-9 Form (the 10/21/19 version) that companies should start using by May 1, 2020 at the latest. The new I-9 Form is on the USCIS website, and companies can start using the new I-9 Form now. See: https://www.uscis.gov/i-9
The USCIS states on their website that, "From Jan. 31, employers may use either the 07/17/17 N or the 10/21/2019 version until Apr. 30. Starting May 1, employers can only use the 10/21/19 version. You can find the edition date at the bottom of the page on the form and instructions."
To sign up for alerts regarding new USCIS forms, HR can sign up here: https://www.uscis.gov/forms-updates
