Final answer:
To determine the most current version of the I-9 form, check the official website of the USCIS.
Step-by-step explanation:
The most current version of the I-9 form can be determined by checking the official website of the U.S. Citizenship and Immigration Services (USCIS). The USCIS regularly updates and revises the I-9 form, so it is important to ensure that you are using the most recent version. You can find the current version of the I-9 form on the USCIS website.