| Ex. DC-005 | Mayor's Order 2020-053Closure of Non-Essential Businesses and Prohibition on Large Gatherings During Public Health Emergency for the 2019 Novel Coronavirus… | Mayor Muriel Bowser | District of ColumbiaState | Mar. 24, 2020 | 2020 Q2 | Business closureTelework mandateGathering capSchools and child careEvents and venuesWorkplace rules | Primary source read | |
| Ex. DC-006 | Mayor's Order 2020-054Stay at Home Order | Mayor Muriel Bowser | District of ColumbiaState | Mar. 30, 2020 | 2020 Q2 | Stay-at-homeBusiness closureTelework mandateGathering capTravel and quarantineWorkplace rules | Primary source read | |
| Ex. DC-008 | Mayor's Order 2020-063Extensions of Public Emergency and Public Health Emergency and Measures to Protect Vulnerable Populations During the COVID-19 Public Health… | Mayor Muriel Bowser | District of ColumbiaState | Apr. 15, 2020 | 2020 Q2 | Emergency declarationStay-at-homeBusiness closureGathering capFace-covering requirementHealth care ordersWorkplace rules | Primary source read | |
| Ex. DC-019 | Mayor's Order 2020-066Extensions of Public Emergency and Public Health Emergency and Preparation for Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | May 13, 2020 | 2020 Q22020 Q3 | Emergency declarationStay-at-homeTelework mandateGathering capFace-covering requirementWorkplace rules | Primary source read | |
| Ex. SEC-03-060 | Mayor's Order 2020-067Phase One of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaCity | May 27, 2020 | 2020 Q2 | Stay-at-homeBusiness closureGathering capHealth care orders | Primary source read | |
| Ex. DC-063 | DC Health, COVID-19 Guidance for Office Building Reopening, Phase Two (posted June 15, 2020; last updated June 23, 2020)Guidance for Office Building Reopening | DC Health | District of ColumbiaSector regulator | June 15, 2020 | 2020 Q22020 Q32020 Q4 | Telework mandateFace-covering requirementWorkplace rules | Primary source read | |
| Ex. DC-079 | Mayor's Order 2020-075Phase Two of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | June 19, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q2 | Business closureTelework mandateCapacity limitGathering capFace-covering requirementSchools and child careHealth care ordersEvents and venuesWorkplace rules | Primary source read | |
| Ex. DC-011 | Mayor's Order 2020-103Extensions of Public Emergency and Public Health Emergency and Additional Measures in Phase Two of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | Oct. 7, 2020 | 2020 Q42021 Q1 | Emergency declarationTelework mandateWorkplace rules | Primary source read | |
| Ex. DC-013 | Mayor's Order 2020-119Modified Requirements to Combat Escalation of COVID-19 Pandemic During Phase Two | Mayor Muriel Bowser | District of ColumbiaState | Nov. 23, 2020 | 2020 Q42021 Q1 | Telework mandateCapacity limitGathering capCurfew and hoursAlcohol and barsEvents and venuesWorkplace rules | Primary source read | |
| Ex. DC-015 | Mayor's Order 2020-127Extension of the Public Emergency and Public Health Emergency and Implementation of a Holiday Pause on Various Activities to Flatten the… | Mayor Muriel Bowser | District of ColumbiaState | Dec. 18, 2020 | 2020 Q42021 Q1 | Emergency declarationBusiness closureTelework mandateCapacity limitEvents and venues | Primary source read | |
| Ex. DC-042 | DC Health, Update Phase 2 Office Buildings Guidance (December 23, 2020)Update Phase 2 Office Buildings Guidance | DC Health | District of ColumbiaSector regulator | Dec. 23, 2020 | 2020 Q42021 Q12021 Q2 | Telework mandateFace-covering requirementWorkplace rules | Primary source read | |
| Ex. DC-020 | Mayor's Order 2021-004Extension of Paused Activities and Clarification of Duration of Public Emergency and Public Health Emergency | Mayor Muriel Bowser | District of ColumbiaState | Jan. 11, 2021 | 2021 Q1 | Emergency declarationBusiness closureTelework mandateCapacity limit | Primary source read | |
| Ex. DC-016 | Mayor's Order 2021-038Extension of the Public Emergency and Public Health Emergency and Modified Measures in Phase Two of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | Mar. 17, 2021 | 2021 Q12021 Q2 | Emergency declarationBusiness closureTelework mandateCapacity limitGathering capFace-covering requirementTravel and quarantineCurfew and hoursAlcohol and barsEvents and venuesWorkplace rulesQuarantine and isolation | 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. SEC-04-059 | Mayor's Order 2021-099COVID-19 Vaccination Certification Requirement for District Government Employees, Contractors, Interns, and Grantees | Mayor Muriel Bowser | District of ColumbiaCity | Aug. 10, 2021 | 2021 Q3 | Workplace rulesVaccination or testing | Primary source read | |
| Ex. DC-076 | COVID-19 Situational Update Presentation, September 20, 2021COVID-19 Situational Update (vaccination requirements for school and child care personnel and student athletes; District employee deadline… | Mayor Muriel Bowser (Executive Office of the Mayor) | District of ColumbiaState | Sept. 20, 2021 | 2021 Q3 | Schools and child careWorkplace rulesVaccination or testingQuarantine and isolation | Primary source read | |
| Ex. DC-075 | COVID Situational Update Presentation, August 16, 2021COVID-19 Situational Update (vaccination requirements for District health professionals) | Mayor Muriel Bowser and DC Health | District of ColumbiaSector regulator | Aug. 16, 2021 | 2021 Q3 | Health care ordersWorkplace rulesVaccination or testing | Primary source read | |
| Ex. DC-022 | Mayor's Order 2021-119Extension of Public Emergency | Mayor Muriel Bowser | District of ColumbiaState | Oct. 7, 2021 | | Emergency declarationVaccination or testing | Primary source read | |
| Ex. AGY-FED-LANDS-SCIENCE-COURTS-008 | Administrative Order No. 2021-02Washington, D.C. Courthouse Access | Chief Judge Maurice B. Foley | United States Tax Court (Washington, D.C. courthouse)Court | Oct. 5, 2021 | | Capacity limitCourts and public officesVaccination or testing | Primary source read | |
| Ex. DC-058 | Mayor's Order 2021-148Vaccination Requirement for Entrance into Certain Indoor Establishments and Facilities | Mayor Muriel Bowser | District of ColumbiaState | Dec. 22, 2021 | | Vaccination or testingOther | Primary source read | |
| Ex. ECO-B-107 | Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2021-2022 academic year'State-by-State table of 2021-22 school mask requirements and bans (instrument type and end date) and teacher/staff vaccination requirements… | Ballotpedia (secondary source) | United States (50 States and D.C.)Other | Aug. 1, 2022 | 2021 Q3 | Face-covering requirementSchools and child careVaccination or testing | Confirmed from a secondary source | |