You can read the Department of Labor, Occupational Safety and Health Administration COVID-19 Vaccination and Testing; Emergency Temporary Standard at https://www.federalregister.gov/documents/2021/11/05/2021-23643/covid-19-vaccination-and-testing-emergency-temporary-standard
YOU HAVE LESS THAN 30 DAYS TO REGISTER A COMMENT AT THE NATIONAL REGISTER. Check out the link.
KEEP IN MIND, THEY CENSOR (put under review) ALL COMMENTS.