Home Law Federal Contractors Must Show Proof of COVID-19 Vaccination by December 8 LawCovid-19Federal DecreesNews Federal Contractors Must Show Proof of COVID-19 Vaccination by December 8 September 28, 2021 44 M-Foto | Shutterstock You must be a Paid or Free Trial Member to Access this Content. Paid members, please login to view your news subscription(s). More at Government Executive RELATED ARTICLESMORE FROM AUTHOR Development SBA Reinstates Rule to Return Federal Contractors to Work Policies and Guidance SBA Reinstates Rule to Return Federal Contractors to Work Compliance PPP Loan Credits and Government Contracts: What Contractors Need to Know During Incurred Cost Reviews