| Ex. DC-083 | OSSE, Child Care Provider Closures and Public Funding (issued March 13, 2020)Child Care Provider Closures and Public Funding | Office of the State Superintendent of Education (OSSE) | District of ColumbiaSector regulator | Mar. 13, 2020 | 2020 Q2 | Business closureSchools and child care | Primary source read | |
| Ex. ECO-B-099 | WMATA, 'COVID-19 Information: Service Changes due to the public health emergency' (page as of May 13, 2020)WMATA COVID-19 service changes: reduced Metrorail and Metrobus service, station closures and rear-door boarding during the public health… | Washington Metropolitan Area Transit Authority | District of Columbia, Maryland, Virginia (Washington Metropolitan Area Transit Authority)State | Mar. 16, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-ST-TRANSPORT-PORTS-TRANSIT-001 | MDOT MTA 'Coronavirus Updates' service-status notice, last updated Mar. 17, 2020 7:00 p.m.: system-wide service reductions effective Mar. 18, 2020; rear-door boarding on all bus routes; Transit Store and Reduced Fare Certification Office closed from Mar. 16Coronavirus Updates - Service Status (service reductions on all vehicle modes effective Wednesday, March 18) | Maryland Department of Transportation, Maryland Transit Administration (MDOT MTA) | Maryland (Baltimore region; MARC Penn, Camden and Brunswick Lines to Washington, D.C. and Martinsburg, W. Va.)State | Mar. 17, 2020 | 2020 Q22020 Q3 | Travel and quarantineCourts and public officesOther | Primary source read | |
| 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. DUT-DC-015 | D.C. Act 23-286, COVID-19 Response Supplemental Emergency Amendment Act of 2020, sec. 401(b)(1)(B) (new sec. 7-2304.01(d)(3A))COVID-19 Response Supplemental Emergency Amendment Act of 2020 (public health emergency liability exemption) | Council of the District of Columbia (emergency act approved by Mayor Muriel Bowser) | District of ColumbiaState | Apr. 10, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyOperating conditionOther | Primary source read | |
| Ex. DC-053 | DC Health, COVID-19 Guidance for Childcare Reopening (May 25, 2020)Guidance for Childcare Reopening | DC Health | District of ColumbiaSector regulator | May 25, 2020 | 2020 Q2 | Schools and child careWorkplace 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. ECO-B-105 | Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2019-2020 academic year'State-by-State chronology of spring 2020 school closure orders and announcements, with total students affected per State (NCES) | Ballotpedia (secondary source; student counts from NCES) | United States (50 States and D.C.)Other | June 30, 2020 | 2020 Q2 | Schools and child care | Confirmed from a secondary source | |
| Ex. DC-081 | Mayor's Order 2020-081Requirement to Self-Quarantine After Non-Essential Travel During the COVID-19 Public Health Emergency | Mayor Muriel Bowser | District of ColumbiaState | July 24, 2020 | 2020 Q32020 Q4 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. ECO-C-030 | Mayor's Order 2020-081 (and Mayor's Order 2020-110, Nov. 6, 2020)Requirement to self-quarantine after non-essential travel to high-risk areas during COVID-19 | Mayor Muriel Bowser | District of ColumbiaCity | July 24, 2020 | 2020 Q32020 Q42021 Q1 | Travel and quarantineQuarantine and isolation | Confirmed from a secondary source | |
| Ex. DUT-DC-010 | D.C. Act 23-384, Protecting Businesses and Workers from COVID-19 Emergency Amendment Act of 2020, Title I, secs. 101-104Protecting Businesses and Workers from COVID-19 Emergency Amendment Act of 2020 | Council of the District of Columbia (emergency act approved by Mayor Muriel Bowser) | District of ColumbiaState | Aug. 13, 2020 | 2020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyFace-covering requirementWorkplace rulesStanding dutyOperating condition | Primary source read | |
| Ex. DC-012 | Mayor's Order 2020-110Modified Requirements Regarding Self-Quarantines, Testing, and Travel During the COVID-19 Public Health Emergency | Mayor Muriel Bowser | District of ColumbiaState | Nov. 6, 2020 | 2020 Q42021 Q12021 Q2 | Travel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. DC-080 | Mayor's Order 2020-123Modified Requirements Relating to Physical Activity to Combat Escalation of COVID-19 Pandemic During Phase Two | Mayor Muriel Bowser | District of ColumbiaState | Dec. 7, 2020 | 2020 Q42021 Q12021 Q2 | Gathering capSchools and child careEvents and venues | Primary source read | |
| Ex. DC-046 | DC Health, Phase Two Revised Hotels Guidance (December 14, 2020)Phase Two Revised Hotels Guidance | DC Health | District of ColumbiaSector regulator | Dec. 14, 2020 | 2020 Q42021 Q12021 Q2 | Capacity limitFace-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. DC-050 | DC Health, COVID-19 Guidance for Travel (last updated December 14, 2020)Guidance for Travel | DC Health | District of ColumbiaSector regulator | Dec. 14, 2020 | 2020 Q42021 Q12021 Q2 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. DUT-DC-011 | D.C. Law 23-168, Protecting Businesses and Workers from COVID-19 Temporary Amendment Act of 2020, Title I, secs. 101-104Protecting Businesses and Workers from COVID-19 Temporary Amendment Act of 2020 | Council of the District of Columbia (temporary act approved by Mayor Muriel Bowser; Congressional review completed) | District of ColumbiaState | Oct. 28, 2020 | 2020 Q42021 Q12021 Q22021 Q3 | Standing dutyFace-covering requirementWorkplace rulesStanding dutyOperating condition | Primary source read | |
| Ex. DUT-DC-012 | D.C. Act 24-26, Workplace Safety During the COVID-19 Pandemic Emergency Amendment Act of 2021, Title I, secs. 101-106Workplace Safety During the COVID-19 Pandemic Emergency Amendment Act of 2021 | Council of the District of Columbia (emergency act approved by Mayor Muriel Bowser) | District of ColumbiaState | Feb. 26, 2021 | 2021 Q12021 Q2 | Standing dutyFace-covering requirementWorkplace rulesStanding dutyOperating condition | Primary source read | |
| Ex. DC-051 | DC Health, Phase 2 Schools Reopening Guidance (March 1, 2021)Phase 2 Schools Reopening Guidance | DC Health | District of ColumbiaSector regulator | Mar. 1, 2021 | 2021 Q12021 Q2 | Face-covering requirementSchools and child careWorkplace rulesQuarantine and isolation | 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-071 | Situational Update Presentation, March 15, 2021COVID-19 Situational Update (Phase Two modifications effective March 22, 2021) | Mayor Muriel Bowser (Executive Office of the Mayor) | District of ColumbiaState | Mar. 15, 2021 | 2021 Q12021 Q2 | Capacity limitGathering capSchools and child careAlcohol and barsEvents and venues | Primary source read | |
| Ex. DUT-DC-014 | D.C. Law 24-6, Workplace Safety During the COVID-19 Pandemic Temporary Amendment Act of 2021, Title I, secs. 101-106Workplace Safety During the COVID-19 Pandemic Temporary Amendment Act of 2021 | Council of the District of Columbia (temporary act approved by Mayor Muriel Bowser; Congressional review completed) | District of ColumbiaState | Mar. 17, 2021 | 2021 Q22021 Q3 | Standing dutyFace-covering requirementWorkplace rulesStanding dutyOperating condition | Primary source read | |
| 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-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 | |