| Ex. SEC-06-GM-039 | CNN, 'Lollapalooza returns to Chicago at full capacity with vaccination or negative test required' (May 18, 2021), quoting Mayor LightfootLollapalooza 2020 and 2021 | C3 Presents with the City of Chicago (Chicago Park District permit) | Chicago (Grant Park), ILOrganizer | May 18, 2021 | 2021 Q2 | Organizer notice | Confirmed from a secondary source | |
| Ex. ECO-B-157 | State laws and orders barring school districts from requiring masks (2021)State bans on school mask mandates, 2021-22, and their litigation history | State legislatures and governors | Arizona, Arkansas, Florida, Iowa, Oklahoma, South Carolina, Tennessee, Texas, UtahState | May 20, 2021 | 2021 Q3 | Face-covering requirementSchools and child careOther | Confirmed from a secondary source | |
| Ex. PA-112 | Amendment to Proclamation of Disaster Emergency (fifth renewal)Amendment to Proclamation of Disaster Emergency | Governor Tom Wolf | PennsylvaniaState | May 20, 2021 | 2021 Q2 | Emergency declaration | Confirmed from a secondary source | |
| Ex. NE-108 | KLKN, 'BREAKING: Mask mandate lifted, Risk Dial in the green' (May 18, 2021)Lincoln-Lancaster County mask mandate lifted (effective May 21, 2021) | KLKN-TV report of the Lincoln-Lancaster County Health Department announcement | Lancaster CountyCounty | May 18, 2021 | 2021 Q2 | Face-covering requirement | Confirmed from a secondary source | |
| Ex. MI-074 | MIOSHA Emergency Rules: Coronavirus Disease 2019 (COVID-19), as amended May 24, 2021Amended MIOSHA COVID-19 Emergency Rules of May 24, 2021 (remote-work requirement removed; sector rules replaced by CDC-based rules) | MIOSHA, Department of Labor and Economic Opportunity | MichiganSector regulator | May 24, 2021 | 2021 Q2 | Face-covering requirementWorkplace rules | Confirmed from a secondary source | |
| Ex. HI-022 | Amendment to the Nineteenth Proclamation Related to the COVID-19 EmergencyAmendment to the Nineteenth Proclamation (outdoor face-covering requirement lifted where six feet of distance can be maintained) | Governor David Y. Ige | HawaiiState | May 25, 2021 | 2021 Q2 | Face-covering requirement | Confirmed from a secondary source | |