Quarantine and travel restrictions are being set by state and local governments, with many variations and daily revisions. Many of these rules provide exceptions for staff supporting operations at residential properties. On March 28, 2020, the Department of Homeland Security Cybersecurity & Infrastructure Security Agency (CISA) published an Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response. State, local, tribal, and territorial governments are responsible for implementing and executing response activities, including decisions about access and reentry in their communities. Therefore, HUD recommends that building owners consult with their local counsel to determine whether building employees are considered “essential.” (Updated on 4/2/20)