On April 17, 2020, the Cybersecurity and Infrastructure Security Agency (CISA) released version 3.0 of its guidance to help state and local jurisdictions, decision makers in communities and jurisdictions and the private sector across the country to manage and identify their essential workforce while responding to COVID-19. Original guidance was released on March 19, 2020 and version 2.0 was subsequently released on March 28, 2020. The reason for publishing Version 3.0 of the CISA guidance was to assist local decision makers in balancing public health and safety with the need to maintain critical infrastructure in their communities.