The CMS emergency preparedness final rule outlines requirements for Medicare and Medicaid participating providers and suppliers, effective November 15, 2017, emphasizing a comprehensive emergency preparedness plan that includes risk assessment, policies and procedures, communication plans, and training programs. Providers must develop plans tailored to their specific risks, conduct regular training and drills, and update policies annually to ensure compliance. Failure to comply may lead to enforcement actions, and resources are available on the CMS website for assistance.