CISA, Department of Homeland Security (Director Christopher Krebs), Guidance on the Essential Critical Infrastructure Workforce, Version 3.0 (Apr. 17, 2020) (Ex. SEC-18-002)
Governor JB Pritzker, Executive Order 2020-73 (COVID-19 Executive Order No. 71) (Nov. 18, 2020) (Ex. SEC-18-019)
