The Department of Homeland Security’s (DHS’s) Cybersecurity & Infrastructure Security Agency (CISA) revised its interim guidance identifying critical infrastructure workers who the agency suggests should be exempt from state and local shelter in place orders, curfews, and similar restrictions on movement. We previously summarized the two earlier iterations of the guidance in our memoranda on March 20 and March 28, 2020. The most recent update provides additional key principles for consideration by government and businesses, including recommended precautions for protecting workers. It also provides minor clarifications on the scope of the food and agriculture sector. This post provides highlights of the changes made in this latest version of the guidance, which is non-binding on industry and government.