| Ex. ECO-B-106 | Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2020-2021 academic year'State-by-State chronology of 2020-21 reopening orders, statewide closures (Kentucky Nov. 23, 2020; Michigan Nov. 18, 2020), in-person… | Ballotpedia (secondary source; Burbio data) | United States (50 States and D.C.)Other | July 8, 2021 | 2020 Q32020 Q42021 Q12021 Q2 | Schools and child care | Confirmed from a secondary source | |
| Ex. DC-059 | Superior Court Order by Chief Judge Josey-Herring (Amended 7/14/21)Order re operations through September 10, 2021 | Superior Court of the District of Columbia, Chief Judge Anita Josey-Herring | District of ColumbiaCourt | July 14, 2021 | 2021 Q3 | Courts and public offices | Primary source read | |
| Ex. SEC-24-GM-019 | Organizer noticeNCIL Annual Conference on Independent Living 2020 ('Evolution of our Revolution') | National Council on Independent Living (centers for independent living and disability-rights organizations) | Washington (usually the Grand Hyatt Washington; the NCIL March through the streets of Washington), DCOrganizer | July 19, 2021 | 2021 Q3 | Organizer notice | Primary source read | |
| Ex. DC-021 | Mayor's Order 2021-096End of Public Health Emergency and Extension of Public Emergency | Mayor Muriel Bowser | District of ColumbiaState | July 24, 2021 | 2021 Q3 | Emergency declaration | Primary source read | |
| Ex. DC-057 | Mayor's Order 2021-097Resumption of Mask Requirements and Delegations of Authority to the Department of Health and the Office of the State Superintendent of… | Mayor Muriel Bowser | District of ColumbiaState | July 29, 2021 | 2021 Q3 | Face-covering requirementSchools and child careWorkplace rules | Primary source read | |
| Ex. DC-074 | COVID Situational Update Presentation, July 29, 2021COVID-19 Situational Update (indoor mask resumption; school-year 2021-22 rules) | Mayor Muriel Bowser (Executive Office of the Mayor) | District of ColumbiaState | July 29, 2021 | 2021 Q3 | Face-covering requirementSchools and child careVaccination or testing | Primary source read | |
| Ex. DC-077 | DC Health, Coronavirus 2019 (COVID-19): Mask Guidance for the General Public (last updated July 30, 2021)Mask Guidance for the General Public | DC Health (Department of Health) | District of ColumbiaSector regulator | July 30, 2021 | 2021 Q3 | Face-covering requirementWorkplace rules | Primary source read | |
| Ex. ECO-B-155 | Mayor's Order 2021-097 (July 29, 2021), indoor mask requirement effective July 31, 2021, applied to schools and child care for 2021-22District of Columbia indoor and school mask requirement, 2021-22 (schools to Mar. 8, 2022) | Mayor Muriel Bowser | District of ColumbiaState | July 29, 2021 | 2021 Q3 | Face-covering requirementSchools and child care | Primary source read | |