This Technical Assistance Publication (TAP), updated in 2021, provides guidance for behavioral health service and substance use disorder treatment programs wanting to develop or update a comprehensive, scalable, and flexible disaster plan.
Hand Book
https://store.samhsa.gov/product/tap-34-disaster-planning-handbook-for-behavioral-health-service-programs/pep21-02-01-001?referer=from_search_result
SAMHSA
2021